tag:blogger.com,1999:blog-6125980084851264782024-03-21T06:17:44.337-07:00EEHThere is no thing impossible if you try it harder.Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.comBlogger20125tag:blogger.com,1999:blog-612598008485126478.post-6954986848425262152014-07-13T00:24:00.003-07:002015-01-28T02:33:51.998-08:00Custom result set layout for end users<div dir="ltr" style="text-align: left;" trbidi="on">
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result in an away that customers need to provide for example for another system
that will handle it, once I asked to provide some result in CSV file that will
be displayed in a specific order. They asked to get data like this</span></div>
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</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 95.75pt;" valign="top" width="128"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="mso-bookmark: OLE_LINK1;"><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">qty</span></span></div>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 95.75pt;" valign="top" width="128"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="mso-bookmark: OLE_LINK1;"><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Data</span></span></div>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 95.8pt;" valign="top" width="128"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="mso-bookmark: OLE_LINK1;"><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">qty</span></span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 2; mso-yfti-lastrow: yes;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 95.75pt;" valign="top" width="128"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="mso-bookmark: OLE_LINK1;"><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">3</span></span></div>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 95.75pt;" valign="top" width="128"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="mso-bookmark: OLE_LINK1;"><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Data</span></span></div>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 95.75pt;" valign="top" width="128"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="mso-bookmark: OLE_LINK1;"><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Qty</span></span></div>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 95.75pt;" valign="top" width="128"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="mso-bookmark: OLE_LINK1;"><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Data</span></span></div>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 95.8pt;" valign="top" width="128"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="mso-bookmark: OLE_LINK1;"><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">qty</span></span></div>
</td>
</tr>
</tbody></table>
<span style="mso-bookmark: OLE_LINK1;"></span><span style="mso-bookmark: OLE_LINK1;"></span><span style="mso-bookmark: OLE_LINK1;"></span><span style="mso-bookmark: OLE_LINK1;"></span><span style="mso-bookmark: OLE_LINK1;"></span><span style="mso-bookmark: OLE_LINK1;"></span><span style="mso-bookmark: OLE_LINK1;"></span><span style="mso-bookmark: OLE_LINK1;"></span><span style="mso-bookmark: OLE_LINK1;"></span><span style="mso-bookmark: OLE_LINK1;"></span><span style="mso-bookmark: OLE_LINK1;"></span><span style="mso-bookmark: OLE_LINK1;"></span><span style="mso-bookmark: OLE_LINK1;"></span><span style="mso-bookmark: OLE_LINK1;"></span><span style="mso-bookmark: OLE_LINK1;"></span>
<span style="mso-bookmark: OLE_LINK1;"></span>
<br />
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<a name='more'></a></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<br />
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">It some thin like sequence number, data , qty, data, qty while the
data stored in databased is just like data, qty. I know it is easy to provide
sequence number in the result set by using for example ROW_NUMBER() function
but how to split data in this order to make it appear like as they requested.</span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">I decided to use CTE and split the data across it and then make a
join based on the order of this data.</span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">First I used NTILE(2) function to split the data into two sets in
the same result set so the data will be something like this</span></div>
<table border="0" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="border-collapse: collapse; border: none; mso-border-insideh: none; mso-border-insidev: none; mso-padding-alt: 0in 5.4pt 0in 5.4pt; mso-yfti-tbllook: 1184;">
<tbody>
<tr style="mso-yfti-firstrow: yes; mso-yfti-irow: 0;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">1</span></div>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Data</span></div>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Qty</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 1;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">1</span></div>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Data</span></div>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Qty</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 2;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">2</span></div>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Data</span></div>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Qty</span></div>
</td>
</tr>
<tr style="mso-yfti-irow: 3; mso-yfti-lastrow: yes;">
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">2</span></div>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Data</span></div>
</td>
<td style="padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: 150%; margin-bottom: .0001pt; margin-bottom: 0in; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">qty</span></div>
</td>
</tr>
</tbody></table>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">After this I used ROW_NUMBER, CTE and join CTEs based on the
ROW_NUMBER() as here or download from</span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;"><a href="http://gallery.technet.microsoft.com/Custom-result-set-layout-f0660b8b">http://gallery.technet.microsoft.com/Custom-result-set-layout-f0660b8b</a>
</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">WITH</span><span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"> CTE<span style="color: grey;">(</span>ORD<span style="color: grey;">,</span> IDS<span style="color: grey;">,</span> ID<span style="color: grey;">,</span> NM<span style="color: grey;">)</span> <span style="color: blue;">AS</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: grey; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">(</span><span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">SELECT</span><span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"> <span style="color: magenta;">ROW_NUMBER</span><span style="color: grey;">()</span> <span style="color: blue;">OVER</span><span style="color: grey;">(</span><span style="color: blue;">ORDER</span> <span style="color: blue;">BY</span> IDS<span style="color: grey;">)</span> ORD<span style="color: grey;">,</span><span style="mso-spacerun: yes;"> </span>IDS<span style="color: grey;">,</span> ID<span style="color: grey;">,</span> NM</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">FROM</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: grey; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">(</span><span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">SELECT</span><span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"> <span style="color: magenta;">NTILE</span><span style="color: grey;">(</span>2<span style="color: grey;">)</span> <span style="color: blue;">OVER</span><span style="color: grey;">(</span><span style="color: blue;">ORDER</span> <span style="color: blue;">BY</span> ID<span style="color: grey;">)</span> IDS<span style="color: grey;">,</span> ID<span style="color: grey;">,</span> NM<span style="mso-spacerun: yes;"> </span><span style="color: blue;">FROM</span> Table_1<span style="color: grey;">)</span> A</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">WHERE</span><span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"> A<span style="color: grey;">.</span>IDS <span style="color: grey;">=</span> 1<span style="color: grey;">),</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">CTE1<span style="color: grey;">(</span>ORD<span style="color: grey;">,</span> IDS<span style="color: grey;">,</span> ID<span style="color: grey;">,</span> NM<span style="color: grey;">)</span> <span style="color: blue;">AS</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: grey; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">(</span><span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">SELECT</span><span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"> <span style="color: magenta;">ROW_NUMBER</span><span style="color: grey;">()</span> <span style="color: blue;">OVER</span><span style="color: grey;">(</span><span style="color: blue;">ORDER</span> <span style="color: blue;">BY</span> IDS<span style="color: grey;">)</span> ORD<span style="color: grey;">,</span> IDS<span style="color: grey;">,</span> ID<span style="color: grey;">,</span> NM</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">FROM</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: grey; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">(</span><span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">SELECT</span><span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"> <span style="color: magenta;">NTILE</span><span style="color: grey;">(</span>2<span style="color: grey;">)</span> <span style="color: blue;">OVER</span><span style="color: grey;">(</span><span style="color: blue;">ORDER</span> <span style="color: blue;">BY</span> ID<span style="color: grey;">)</span> IDS<span style="color: grey;">,</span> ID<span style="color: grey;">,</span> NM<span style="mso-spacerun: yes;"> </span><span style="color: blue;">FROM</span> Table_1<span style="color: grey;">)</span> A</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">WHERE</span><span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"> A<span style="color: grey;">.</span>IDS <span style="color: grey;">=</span> 1<span style="color: grey;">)</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">SELECT</span><span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"> <span style="color: grey;">*</span> <span style="color: blue;">FROM</span> CTE1 C</span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<span style="color: grey; font-family: "Courier New"; font-size: 10.0pt; line-height: 150%; mso-no-proof: yes;">JOIN</span><span style="font-family: "Courier New"; font-size: 10.0pt; line-height: 150%; mso-no-proof: yes;"> CTE C2 <span style="color: blue;">ON</span>
C<span style="color: grey;">.</span>ORD <span style="color: grey;">=</span> C2<span style="color: grey;">.</span>ORD</span></div>
</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com0tag:blogger.com,1999:blog-612598008485126478.post-90500223514877561932013-04-23T00:30:00.001-07:002015-01-28T02:38:40.799-08:00SQL Server Backup and Recovery Mode Information<div dir="ltr" style="text-align: left;" trbidi="on">
The bellow queries help you to get information about backup and recovery mode in your server. <br />
--When the last time my databases are backed up <br />
<a name='more'></a><br />
SELECT d.name, MAX(b.backup_finish_date) AS Last_Backup_Finish_Date<br />
FROM master.sys.databases d<br />
LEFT OUTER JOIN msdb.dbo.backupset b<br />
ON d.name = b.database_name AND b.type = 'D'<br />
WHERE d.database_id NOT IN(2,3)<br />
GROUP BY d.name<br />
ORDER BY 2<br />
<br />
--The physical place for backed up database<br />
SELECT physical_device_name, *<br />
FROM msdb.dbo.backupmediafamily<br />
<br />
<br />
--Database Recovery Mode<br />
SELECT d.name, d.recovery_model, d.recovery_model_desc<br />
FROM master.sys.databases d<br />
LEFT OUTER JOIN msdb.dbo.backupset b ON d.name = b.database_name AND b.type = 'L'<br />
WHERE d.recovery_model IN (1, 2) AND b.type IS NULL AND d.database_id NOT IN (2, 3)<br />
<br />
<br />
<br />
<br />
written by: Elmozamil Elamir</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com3tag:blogger.com,1999:blog-612598008485126478.post-75048151352277430592013-04-22T23:40:00.001-07:002015-01-28T02:38:27.491-08:00Naming Convention Saves your Time<div dir="ltr" style="text-align: left;" trbidi="on">
<!--[if gte mso 9]><xml>
<o:OfficeDocumentSettings>
<o:AllowPNG/>
</o:OfficeDocumentSettings>
</xml><![endif]--><br />
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<w:LidThemeOther>EN-US</w:LidThemeOther>
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<w:BreakWrappedTables/>
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<br />
<div class="MsoNormal">
<b>Naming Convention</b>:</div>
<div class="MsoNormal">
As a database administrator, database developer and software
developer or any technical person you always works in project that may consist
of many participants and even if <br />
<a name='more'></a>you the only one in the project you may leave
the company or after one year or more you asked to change or provide some
information from you project. It really difficult to remember which stored
procedure (job,<span style="mso-spacerun: yes;"> </span>class) in your project
doing this task and of course waste your time to remember which stored procedure.</div>
<div class="MsoNormal">
So name convention helps you to save your time and other project
participant can understand you code and from the name of the store procedure
(class, job) they understand what it does.</div>
<div class="MsoNormal">
Once you decide you have a project first agree on the name
of the stored procedures (class, job) of course there are standard name
convention but I talk about the meaning of the name of your store procedure. For
example if you have a store procedure that insert a new employee what is the
name of it? You may name it <b>insertEmployee, EmployeeInsert, NewEmployee,
NEInsert</b>, and many of other available names but the better name that name
that reflect the purpose of the stored procedure if you name it <b>Insert_Employee</b>
every one see the name understand that this procedure will insert an employee
but if you name it <b>NE_Insert</b> it difficult to know that N is abbreviation
of New and E is for Employee. It is better to think carefully about this it
will save your time.</div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
Written by: Elmozamil Elamir</div>
</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com0tag:blogger.com,1999:blog-612598008485126478.post-69224074158211505502013-03-28T05:30:00.003-07:002015-01-28T02:38:14.758-08:00SQL Server Backup and Restore<div dir="ltr" style="text-align: left;" trbidi="on">
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<br />
<div class="MsoNormal">
<b>SQL Server Backup and Restore</b></div>
<div class="MsoNormal" style="text-align: justify;">
Backup is the most important
process to protect your database from unintentional/intentional users behavior
– user may delete all data from a table accidentally or update it – if one of
your<br />
<a name='more'></a>disk driver fails, and sometimes you need a version of your operational
data on test server, etc.</div>
<div class="MsoNormal">
<b>Recovery Modes</b></div>
<div class="MsoNormal" style="text-align: justify;">
SQL Server provide three recovery
mode, any one will provide a recovery method against failures, to decide which
recovery model you should use first you have to understand your environment and
your needs for recoverability of your database e.g. if you use full recovery
mode you need more desk space than if you use Bulk-logged or simple recover
mode. And also if you need point in time recovery simple and bulk-logged
recovery won’t help.</div>
<div class="MsoNormal" style="text-align: justify;">
Types of backup you may run
against your database will be determined by the recovery mode you need e.g. if
your database in simple recovery mode you can’t perform transaction log backup.</div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><b><i>Full Recovery mode</i></b>:</div>
<div class="MsoListParagraphCxSpMiddle" style="text-align: justify;">
In full recovery
mode all transactions that run against database will be recorded in the
transaction log file (.ldf) and the transaction log won’t be truncated even if
the transaction has been committed nor full backup has been performed.</div>
<div class="MsoListParagraphCxSpMiddle" style="text-align: justify;">
Full recovery
mode provide restore to the point of failure, if there is a failure in your
database the SQL server when restart against it will redo all committed
transaction and undo all uncommitted transactions.</div>
<div class="MsoListParagraphCxSpMiddle" style="text-align: justify;">
Full recovery
mode support point-in-time recovery.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><b><i>Bulk-logged Recovery
mode</i></b>:</div>
<div class="MsoListParagraphCxSpMiddle">
In bulk logged most bulk operation, index
creation will be minimally logged, this will help to minimize size of the log
file.</div>
<div class="MsoListParagraphCxSpMiddle">
This type of recovery frequently use when
there is a full recovery mode and you have bulk operation and you want to
minimize the log operation you will switch form full recovery to bulk logged.
This operation will increase performance and minimize the log file size because
of the minimum log operation.</div>
<div class="MsoListParagraphCxSpMiddle">
Bulk-logged doesn’t support point-in-time
recovery.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><b><i>Simple Recover Mode</i></b>:</div>
<div class="MsoListParagraphCxSpMiddle">
Simple recovery mode write all active
transactions to transaction log file (.ldf) and after the transaction committed
it will remove the transaction for transaction log file this will minimize the
administrative effort for transaction log file and the log file will be small
any won’t have many growth.</div>
<div class="MsoListParagraphCxSpLast">
Simple recovery mode doesn’t support
point-in-time recovery.</div>
<div class="MsoNormal">
<b>Which recovery mode should I use?</b></div>
<div class="MsoNormal">
There is no correct or wrong answer for this question. All
you can say it depends.</div>
<div class="MsoNormal">
If you have a lot of concurrent user using your database and
your database is very critical and you need point-in-time recovery there is no
solution other than full recovery mode. </div>
<div class="MsoNormal">
If you have limited resources and the point-in-time recovery
isn’t important for you go ahead with simple recovery mode.</div>
<div class="MsoNormal">
<b>Backup Types</b></div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><b><i>Full Backup</i></b></div>
<div class="MsoListParagraphCxSpMiddle">
Full backup contains all data till the time
the full backup was performed.</div>
<div class="MsoListParagraphCxSpMiddle">
Every time you run full backup your whole
database will be backed up.</div>
<div class="MsoListParagraphCxSpMiddle">
Full backup is considered the base for all
other backup types.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><b><i>Differential Backup</i></b></div>
<div class="MsoListParagraphCxSpMiddle">
Differential backup (also called
incremental backup) contains all data since the last full backup.</div>
<div class="MsoListParagraphCxSpMiddle">
e.g if you have a full backup on Friday
(last full backup) and you perform differential backup on Saturday your full
backup contains whole database till Friday but your differential backup
contains all data between Friday and Saturday.</div>
<div class="MsoListParagraphCxSpMiddle">
And if you run another differential backup
on Sunday this backup contains data between Friday and Sunday.</div>
<div class="MsoListParagraphCxSpMiddle">
When you perform full backup against your
database SQL Server put mark to indicate which data has been backed up and your
differential backup will backup for this mark till the time the differential
backup has been performed.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><b><i>Copy-only backup</i></b></div>
<div class="MsoListParagraphCxSpMiddle">
Copy-only backup similar to full backup
except it doesn’t mark backed up data.</div>
<div class="MsoListParagraphCxSpMiddle">
If you perform full backup on Friday,
copy-only backup on Saturday, and differential backup on Sunday your
differential backup will contain data between Friday till Sunday.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><b><i>Transaction Log
Backup</i></b></div>
<div class="MsoListParagraphCxSpMiddle">
Transaction log backup is a process of
backing up the transaction log which contains log of all transactions run
against the database you can truncate the file at the end of the backup or not,
but I believe it is better to backup transaction log with truncate (it is the
default option) this will help you to maintain your transaction log file size
and also you can get small size of log backup file and this also affect your
restore time and the point to restore. For instance if you schedule a backup of
transaction log file each five minutes this mean you can lose not more than
five minutes in case of failure in your system.</div>
<div class="MsoListParagraphCxSpLast">
The database should be in a full recovery
model or bulk-logged recovery mode.</div>
<div class="MsoNormal">
<b>Database restore</b></div>
<div class="MsoNormal">
It always depends on your database and the acceptable time
of data loses and time to recovery. The small time interval backup means you
need more space to store these files e.g. if you do a daily full backup (e.g.
100 GB) and differential backup (2 GB) each four hours and hourly transaction
log backup (1 GB) this means you need more space than if you have a weekly full
backup and daily differential backup and hourly transaction log backup and you
have data lost of one hour in each cases but the time to restore is different
the second configuration need more time to restore than the first one.</div>
<div class="MsoNormal">
To restore each database first you should have a full backup
of database the full backup is the base backup to restore your database.</div>
<div class="MsoNormal">
If your database in full recovery mode you should first
backup the tail log (run a transaction log backup) and then restore your full
backup, last differential backup, all transaction log backups since the last
differential backup and finally the tail log backup.</div>
<div class="MsoNormal">
For example if you have</div>
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<td style="border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 119.7pt;" valign="top" width="160"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Backup Type</div>
</td>
<td style="border-left: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 119.7pt;" valign="top" width="160"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Frequency</div>
</td>
<td style="border-left: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 119.7pt;" valign="top" width="160"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Start Time of backup</div>
</td>
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<tr style="mso-yfti-irow: 1;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 119.7pt;" valign="top" width="160"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Full</div>
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Daily</div>
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11:00 PM</div>
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<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 119.7pt;" valign="top" width="160"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Differential </div>
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Each for hour</div>
</td>
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1:30 AM</div>
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<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 119.7pt;" valign="top" width="160"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Transaction log</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 119.7pt;" valign="top" width="160"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Hourly</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 119.7pt;" valign="top" width="160"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
</tbody></table>
<div class="MsoNormal">
If your database fails on 10:59 AM on Sunday to restore your
database:</div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>First you should backup the
tail of the log.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Second restore the full
backup taken on Saturday at 11:00 PM with no recovery option.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Third restore the last
differential backup (it will be the backup taken at 9:00 AM on Sunday) with no
recovery option.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Forth restore the
transaction log since the last differential backup (transaction log taken after
9:00 AM on Sunday) it will be the transaction log taken at 9:30 and 10:30 and
restore it with no recovery option.</div>
<div class="MsoListParagraphCxSpLast" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Fifth restore the tail of
the log (look at First point) and restore it with recovery.</div>
<div class="MsoNormal">
Notice we only lose about 29 minute of data the data between
the last transaction log backup and the failure and if our database fails at
11:29 we also can only restore to 10:30 because this is the last transaction
log backup and we lose about an hour of data.</div>
<div class="MsoNormal">
The with no recovery option is used to put the database in
the restoring state and it will prevent the database from being accessed by the
user and the you will restore all of your file and after that make the database
available to the user and recover it.</div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
<b><i>Please refer to Microsoft online book and see more
details about how to do this and you can google to fine more scenarios
available.</i></b></div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
<i>Written by Elmozamil Elamir</i></div>
</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com4tag:blogger.com,1999:blog-612598008485126478.post-85826528243047083892013-02-17T23:35:00.001-08:002015-01-28T02:37:38.129-08:00SQL Server Batch Update<div dir="ltr" style="text-align: left;" trbidi="on">
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<div class="MsoNormal" style="text-align: justify;">
Always we should take care of
database server performance but sometimes you need to perform a huge update on
your table/tables this will affect performance for concurrent users and they
will complain about it.<br />
<a name='more'></a></div>
<div class="MsoNormal" style="text-align: justify;">
For example if you have a table
contains more than billion row and you want to update a column of this data and
your database is accessible 24 hours 7 days a week it is difficult to run this
code in simple update statement because a lot of data will be fetch to your
memory and a lot of user data will be kicked off out of memory.</div>
<div class="MsoNormal" style="text-align: justify;">
So the solution is to use batch
update by divide your data in small batches, e.g divide it to update 1000 row at
a time and stop for a moment and the update the next 1000 and so on, this will
let other users to use share the server with you.</div>
<div class="MsoNormal" style="text-align: justify;">
<b>Sample code:</b></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: green; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">-- SQL update in
batches of 1000</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">WHILE </span><span style="color: grey; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">(</span><span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">1 <span style="color: grey;">></span> 1<span style="color: grey;">)</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-spacerun: yes;"> </span><span style="color: blue;">BEGIN</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-spacerun: yes;"> </span><span style="color: blue;">BEGIN</span> <span style="color: blue;">TRANSACTION</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-spacerun: yes;"> </span><span style="color: blue;">UPDATE</span> <span style="color: blue;">TOP </span><span style="color: grey;">(</span> 1000 <span style="color: grey;">)</span> S</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-spacerun: yes;"> </span><span style="color: blue;">SET</span><span style="mso-spacerun: yes;"> </span>Price <span style="color: grey;">=</span>
Price <span style="color: grey;">*</span> 1.08<span style="mso-spacerun: yes;">
</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-spacerun: yes;"> </span><span style="color: blue;">IF</span> <span style="color: magenta;">@@ROWCOUNT</span> <span style="color: grey;">=</span> 0</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-spacerun: yes;"> </span><span style="color: blue;">BEGIN</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-spacerun: yes;"> </span><span style="color: blue;">COMMIT</span> <span style="color: blue;">TRANSACTION</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-spacerun: yes;"> </span><span style="color: blue;">BREAK</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-spacerun: yes;"> </span><span style="color: blue;">END</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-spacerun: yes;"> </span><span style="color: blue;">COMMIT</span> <span style="color: blue;">TRANSACTION</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-spacerun: yes;"> </span><span style="color: green;">-- 2 second delay</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-spacerun: yes;"> </span><span style="color: blue;">WAITFOR</span> <span style="color: blue;">DELAY</span> <span style="color: red;">'00:00:02'</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-spacerun: yes;"> </span><span style="color: blue;">END</span> </span></div>
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<span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; line-height: 115%; mso-no-proof: yes;">GO</span></div>
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* the above code is updated
version of a code that available online.</div>
<div class="MsoNormal" style="text-align: justify;">
Written by: Elmozamil Elamir
Hamid</div>
</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com6tag:blogger.com,1999:blog-612598008485126478.post-41590927652577040442012-11-12T03:46:00.002-08:002015-01-28T02:37:28.582-08:00SQL Server Perfroamcne Tunning<div dir="ltr" style="text-align: left;" trbidi="on">
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<br />
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<b><span style="font-size: 12.0pt; line-height: 115%;">Database Performance:</span></b></div>
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Performance is the most important
thing that you have to think about, if your database performance is low then
you will face with a lot of calls, emails, and client (customer) dissatisfaction.<br />
<a name='more'></a></div>
<div class="MsoNormal" style="text-align: justify;">
A lot of people when got a problem
with performance and customer start complaint about the performance of the
system they always choose the easiest (and <b>costly</b>) way to handle this
issue by asking about new RAM, CUP, DISK. But does that solve the problem? Of course
not, the problem will appear again.</div>
<div class="MsoNormal" style="text-align: justify;">
So you need to consider many
factors to analysis your database server performance, the problem may be occurred
because of many different causes:</div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Server Resources.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Database Design.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Indexes Design.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Query.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Lock.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Dead Lock.</div>
<div class="MsoListParagraphCxSpLast" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>And others.</div>
<div class="MsoNormal" style="text-align: justify;">
For each of above you have
tool/tools in SQL Server to handle the issue.</div>
<div class="MsoNormal" style="text-align: justify;">
<b>Performance Tuning Tools:</b></div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Windows Performance Monitor
(perfmon).</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>SQL Server Build-in
Reports.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>SQL Server Activity
Monitor.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>SQL Server Profiler.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Database Engine Tuning
Advisor (DTA).</div>
<div class="MsoListParagraphCxSpLast" style="mso-list: l0 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Dynamic Management Views
(DMVs).</div>
<div class="MsoNormal" style="text-align: justify;">
<b>Windows Performance Monitor:</b></div>
<div class="MsoNormal" style="text-align: justify;">
By using performance monitor
(perfmon) you can analyze your processor, memory, desk, and network; for
instance you can get a good indicator that you have a memory problem by using
page life expectancy performance counter but this doesn’t ensure that the
problem is actually form your memory may be there is a table scan that affect
your memory by fetch a lot of pages in RAM so the page life expectancy will be
small.</div>
<div class="MsoNormal" style="text-align: justify;">
You can find many of important
performance counter in <a href="http://elmozamil.blogspot.com/2012/11/system-performance-counter-for-sql.html">http://elmozamil.blogspot.com/2012/11/system-performance-counter-for-sql.html</a>
<span style="mso-spacerun: yes;"> </span>and the meaning of each one and
measurement. </div>
<div class="MsoNormal" style="text-align: justify;">
Note: the result form this tool
will give you indicator on which area your problem come from, so you need to
take this result in your consideration and move to analysis by another tool.</div>
<div class="MsoNormal" style="text-align: justify;">
For example if there is a long
queue in your processor this indicate that you have processor problem, you don’t
need to install another process but you need to optimize your processor by
making sure you have a proper indexes, lock escalation, and sometimes this
problem occur when you have a full database backup run at that time so all you
need may be to move your database backup task to another time and so on. </div>
<div class="MsoNormal" style="text-align: justify;">
<b>SQL Server Build-in Reports:</b></div>
<div class="MsoNormal" style="text-align: justify;">
I always start my analysis with
SQL server build-in reports, those report provide you with a lot of helpful
information that may indicates your cause of the problem.</div>
<div class="MsoNormal" style="text-align: justify;">
For instance Disk Usage report
(in SQL server 2008) will give you information about your disk space usage by
data files and log file, and it provides useful information on file growth this
information it really helpful it indicate how your file is frequently grow. If you
find you have log file growth every 1 minute you have to think about that why log
file grow every one minute you may decide to increase log file space or growth
amount option so it will be grow every 12 hour and so on.</div>
<div class="MsoNormal" style="text-align: justify;">
To open SQL Server Build-in
Reports right click on your server choose report, or right click on a specific
database and choose reports. I encourage you to check and be familiar all
information in all reports.</div>
<div class="MsoNormal" style="text-align: justify;">
<b>SQL Server Activity Monitor:</b></div>
<div class="MsoNormal" style="text-align: justify;">
This tool provide information
about Processes, Resource Waits, Data File I/O, and Recent Expensive Queries by
using this tool you may find that your data file for specific database has a
lot of read write operation, there are many queries that execute in log time.</div>
<div class="MsoNormal" style="text-align: justify;">
For example if you find that a
data file has a lot of read write operation you may think to move it to a different
disk so no one compete with it for resource and reduce the chance of dead log
to occur and wait.</div>
<div class="MsoNormal" style="text-align: justify;">
This tool give the option to kill
a specific process, if you find for example a process that make long wait and
hold resource you may kill it and let other processes to do their jobs.</div>
<div class="MsoNormal" style="text-align: justify;">
To access SQL Server Activity
Monitor right click on the server and choose activity monitor.</div>
<div class="MsoNormal" style="text-align: justify;">
SQL Server Profiler:</div>
<div class="MsoNormal" style="text-align: justify;">
It works like network package
sniffing (package viewer –wireshark-) tools.</div>
<div class="MsoNormal" style="text-align: justify;">
Profiler give the ability to view
the actual query run against database so you can analyze each query to check
which column used in joins, where condition. You will find a lot of good
information by using this tool.</div>
<div class="MsoNormal" style="text-align: justify;">
To access Profiler go to tools
choose SQL Profiler.</div>
<div class="MsoNormal" style="text-align: justify;">
http://msdn.microsoft.com/en-us/library/ms181091.aspx</div>
<div class="MsoNormal" style="text-align: justify;">
<b>Database Engine Tuning Advisor
(DTA):</b></div>
<div class="MsoNormal" style="text-align: justify;">
DTA suggest indexes to be created
and to be dropped. To use DTA first you have to capture trace by using SQL
Server Profiler.</div>
<div class="MsoNormal" style="text-align: justify;">
<b>Dynamic Management Views
(DMVs):</b></div>
<div class="MsoNormal" style="text-align: justify;">
DMVs provide information relate
to database, indexes, memory usage, lock, deadlocks, and many other helpful information.</div>
<div class="MsoNormal" style="text-align: justify;">
You can find a lot about it on </div>
<div class="MsoNormal" style="text-align: justify;">
<a href="http://msdn.microsoft.com/en-us/library/ms188754.aspx">http://msdn.microsoft.com/en-us/library/ms188754.aspx</a>
</div>
<div class="MsoNormal" style="text-align: justify;">
<br /></div>
<div class="MsoNormal" style="text-align: justify;">
<br /></div>
</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com0tag:blogger.com,1999:blog-612598008485126478.post-70359393206512506582012-11-12T03:41:00.002-08:002015-01-28T02:37:16.761-08:00System Performance Counter for SQL Server<div dir="ltr" style="text-align: left;" trbidi="on">
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<br />
<div class="MsoNormal">
<b>Monitoring Server</b></div>
<div class="MsoNormal">
<b style="mso-bidi-font-weight: normal;">Using System Monitor
(Performance Monitor)</b><br />
<a name='more'></a></div>
<table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="border-collapse: collapse; border: none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 0in 5.4pt 0in 5.4pt; mso-yfti-tbllook: 1184;">
<tbody>
<tr style="mso-yfti-firstrow: yes; mso-yfti-irow: 0;">
<td style="border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<b>Object (Instance)</b></div>
</td>
<td style="border-left: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<b>Counter</b></div>
</td>
<td style="border-left: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<b>Desc</b></div>
</td>
<td style="border-left: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<b>Values</b></div>
</td>
</tr>
<tr style="mso-yfti-irow: 1;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Analyzing Memory</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 2;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Memory</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Available Bytes</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Free Physical memory</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
System dependent</div>
</td>
</tr>
<tr style="mso-yfti-irow: 3;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Pages/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Rate of hard pages faults</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value < 50</div>
</td>
</tr>
<tr style="mso-yfti-irow: 4;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Pages faults/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Rate of total page faults</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 5;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Pages Input/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Rate of input page faults</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 6;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Pages output/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Rate of output page faults</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 7;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SQLServere:Buffer Manager</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Buffer cache hit ratio</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Percentage of requests served out of buffer cache</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value >= 90%</div>
</td>
</tr>
<tr style="mso-yfti-irow: 8;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Buffer cache hit ratio</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Percentage of requests served out of buffer cache</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value >= 90%</div>
</td>
</tr>
<tr style="mso-yfti-irow: 9;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Page Life Expectancy</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Time page spends in buffer</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value > 300</div>
</td>
</tr>
<tr style="mso-yfti-irow: 10;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Checkpoint pages/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Pages written to disk by checkpoint</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value < 30</div>
</td>
</tr>
<tr style="mso-yfti-irow: 11;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Lazy writes/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Dirty aged pages flushed from buffer</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value < 20</div>
</td>
</tr>
<tr style="mso-yfti-irow: 12;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SQLServer:Memory Manager</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 13;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Memory Grants pending</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Number of processes waiting for memory grant</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value = 0</div>
</td>
</tr>
<tr style="mso-yfti-irow: 14;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Target Server memory (KB)</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Maximum physical memory sql server can consume on the box</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 15;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Total server memory (KB)</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Physical memory currently assigned to sql server</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 16;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Process</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 17;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Private Bytes</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Size, in bytes, of memory that this process has allocated that cannot
be shared with other processes</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 18;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Process:Page Faluts/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Which process causing excessive paging</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 19;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Analyzing Disk</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 20;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
PhysicalDisk(Data-disk, Log-disk)</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 21;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
% Disk Time</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Percentage of time disk was busy</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value < 85%</div>
</td>
</tr>
<tr style="mso-yfti-irow: 22;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Current Disk Queue length</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Number of outstanding disk requests at the time performance data is
collected</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value < 2 per disk</div>
</td>
</tr>
<tr style="mso-yfti-irow: 23;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Avg. Disk Queue Length</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average number of queued disk requests during the sample interval</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value < 2 per disk</div>
</td>
</tr>
<tr style="mso-yfti-irow: 24;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Disk Transfers/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Rate of read/write operations on disk</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Maximum value < 100 per disk</div>
</td>
</tr>
<tr style="mso-yfti-irow: 25;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Disk Bytes/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Amount of data transfer to/from per disk per second</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Maximum value < 10MB per second </div>
</td>
</tr>
<tr style="mso-yfti-irow: 26;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Avg. Disk Sec/Read</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average time in ms to read from disk</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value < 10 ms</div>
</td>
</tr>
<tr style="mso-yfti-irow: 27;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Avg. Disk Sec/Write</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average time in ms to write to disk</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value < 10 ms</div>
</td>
</tr>
<tr style="mso-yfti-irow: 28;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Analyzing Processor</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 29;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Processor(_Total)</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 30;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
% Processor Time</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Percentage of time processor was busy</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value < 80%</div>
</td>
</tr>
<tr style="mso-yfti-irow: 31;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
% Privileged Time</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Percent of processor time spent in privileged mode</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value < 10%</div>
</td>
</tr>
<tr style="mso-yfti-irow: 32;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
System</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 33;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Processor Queue Length</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Number of requests outstanding on the processor</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value <2</div>
</td>
</tr>
<tr style="mso-yfti-irow: 34;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Context Switches/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Rate at which processor is switched per processor from one thread to
another</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value < 1000</div>
</td>
</tr>
<tr style="mso-yfti-irow: 35;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SQL Server:SQL Statistics </div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 36;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Batch Requests/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SQL command batches received per second</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 37;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SQL Compilations/Sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Number of times SQL is compiled</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value > 100</div>
</td>
</tr>
<tr style="mso-yfti-irow: 38;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SQL Recompilations/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Number of recompiles </div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 39;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Analyzing Network</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 40;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Network Intergace</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 41;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Bytes Total/Sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Rate at which bytes are transferred on the NIC</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Average value < 50% of NIC capacity</div>
</td>
</tr>
<tr style="mso-yfti-irow: 42;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<i>Network Segment</i></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<i>% Net Utilization</i></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<i>Percentage of network band width in use on a network segment</i></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<i>Average value < 80% of network bandwidth</i></div>
</td>
</tr>
<tr style="mso-yfti-irow: 43;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SQL Server Overall Performance</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 44;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SQLServer:Access Methods</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
FreeSpace Scans/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Non ordered table (Heap file)</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 45;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Full Scans/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Number of unrestricted full scan on tables or indexes</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 46;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Table Lock Escalations/Sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 47;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Worktables Created/Sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 48;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SQLServere:Latches</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 49;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Total Latch Wait Time (ms)</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 50;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SQLServere:Locks(_Total)</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 51;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Lock Timeouts/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
0</div>
</td>
</tr>
<tr style="mso-yfti-irow: 52;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Lock Wait Time (ms)</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 53;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Number of Deadlocks/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 54;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SQLServer:SQL Statistics</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 55;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Batch Requests/Sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 56;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SQL Re-Compilations/sec</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 57;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SQLServer:General Statistics</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 58;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Processes Blocked</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 59; mso-yfti-lastrow: yes;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 124.15pt;" valign="top" width="166"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.95pt;" valign="top" width="159"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
User Connections</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 118.0pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 117.7pt;" valign="top" width="157"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
</tbody></table>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
<b style="mso-bidi-font-weight: normal;">Using SQL Profiler:</b></div>
<table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="border-collapse: collapse; border: none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 0in 5.4pt 0in 5.4pt; mso-yfti-tbllook: 1184;">
<tbody>
<tr style="mso-yfti-firstrow: yes; mso-yfti-irow: 0;">
<td style="border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Event Class</div>
</td>
<td style="border-left: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Event</div>
</td>
<td style="border-left: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Description</div>
</td>
</tr>
<tr style="mso-yfti-irow: 1;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Stored Procedures</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
RPC:Completed</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
An RPC completion event</div>
</td>
</tr>
<tr style="mso-yfti-irow: 2;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SP:Completed</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
A stored procedure completion event</div>
</td>
</tr>
<tr style="mso-yfti-irow: 3;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SP:StmtCompleted</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
A SQL statement completion event within a stored procedure</div>
</td>
</tr>
<tr style="mso-yfti-irow: 4;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
TSQL</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SQL:BatchCompleted</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
A T-SQL batch completion event</div>
</td>
</tr>
<tr style="mso-yfti-irow: 5;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
SQL:StmtCompleted</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
A T-SQL Statement completion event</div>
</td>
</tr>
<tr style="mso-yfti-irow: 6;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Security Audit</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 7;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Audit Login</div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Audit Logout</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Keeps track of database connections when users connect to and
disconnect from SQL Server</div>
</td>
</tr>
<tr style="mso-yfti-irow: 8;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Sessions</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Existing Connection</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Represents all the users connected to SQL server before the trace was
started</div>
</td>
</tr>
<tr style="mso-yfti-irow: 9;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Errors and Warnings</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 10;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Attention</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Represents the intermediate termination of a request caused by
actions such as query cancellation by a client or broken database connections</div>
</td>
</tr>
<tr style="mso-yfti-irow: 11;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Exception</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Indicates the occurrence of an exception in SQL Server</div>
</td>
</tr>
<tr style="mso-yfti-irow: 12;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Execution Warnings</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Indicates the occurrence of any warning during the execution of a
query or SP</div>
</td>
</tr>
<tr style="mso-yfti-irow: 13;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Hash Warning</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Indicates the occurrence of an error in a hashing operation</div>
</td>
</tr>
<tr style="mso-yfti-irow: 14;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Missing Column statistics</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Indicates that the statistics of a column, required by the optimizer
to decide a processing strategy, are missing.</div>
</td>
</tr>
<tr style="mso-yfti-irow: 15;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Missing Join Predicate</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Indicates that a query is executed with no joining predicate between
two tables</div>
</td>
</tr>
<tr style="mso-yfti-irow: 16;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Sort Warnings </div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Indicates that a sort operation performed in a query such as select
did not fit into memory</div>
</td>
</tr>
<tr style="mso-yfti-irow: 17;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Locks</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
</tr>
<tr style="mso-yfti-irow: 18;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Lock:Deadlock</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Flags the presence of a deadlock</div>
</td>
</tr>
<tr style="mso-yfti-irow: 19;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Lock:Deadlock Chain</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Show a trace of the chain of queries creating the deadlock</div>
</td>
</tr>
<tr style="mso-yfti-irow: 20;">
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0in 5.4pt 0in 5.4pt; width: 159.6pt;" valign="top" width="213"><div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in;">
Lock:Timeout</div>
</td>
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Signifies that the lock has exceeded the timeout parameter, which is
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Stored Procedures</div>
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DP:Recomplie</div>
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Indicates that an execution plan for a SP has to be recompiled,
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SP:Starting</div>
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Represents the starting of a stored SP:StmtStarting procedure and a
SQL statement within a stored procedure, respectively. They are useful to
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that caused an Attention event.</div>
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Transactions</div>
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<br /></div>
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<br /></div>
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<br /></div>
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SQLTransaction</div>
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Provides information about a database transaction, including
information such as when a transaction started/completed, the duration of the
transaction, and so on.</div>
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<div class="MsoNormal">
<br /></div>
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Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com0tag:blogger.com,1999:blog-612598008485126478.post-81860885608196895002012-09-27T00:31:00.000-07:002015-01-28T02:36:55.864-08:00Table Level VS Column Level Constraints<div dir="ltr" style="text-align: left;" trbidi="on">
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<br />
<div class="MsoNormal">
<b><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Table Level VS
Column Level Constraints:</span></b></div>
<div class="MsoNormal">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">In this article we will differentiate
between column level constraints and row level constraints.</span></div>
<div class="MsoNormal">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Constraint is a way of enforcing
rules in the database, and it maintains the integrity of the database.</span></div>
<div class="MsoNormal">
<br />
<a name='more'></a><br /></div>
<div class="MsoNormal">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">There are many types of constraints:</span></div>
<div class="MsoNormal">
<span style="font-family: "Times New Roman","serif"; font-size: 10.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">(More information: <a href="http://msdn.microsoft.com/en-us/library/ms189862%28v=sql.105%29.aspx">http://msdn.microsoft.com/en-us/library/ms189862%28v=sql.105%29.aspx</a>)
</span></div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l1 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; font-size: 14.0pt; line-height: 115%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Primary
key.</span></div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l1 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; font-size: 14.0pt; line-height: 115%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Foreign
key.</span></div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l1 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; font-size: 14.0pt; line-height: 115%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Not null.</span></div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l1 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; font-size: 14.0pt; line-height: 115%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Check.</span></div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l1 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; font-size: 14.0pt; line-height: 115%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Unique.</span></div>
<div class="MsoListParagraphCxSpLast" style="mso-list: l1 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; font-size: 14.0pt; line-height: 115%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Default
constraints.</span></div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">The syntax of each constraint is really
obvious but how to use it and where it applicable or not.</span></div>
<div class="MsoNormal">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">And we may divide constraint into:</span></div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l0 level1 lfo2; text-indent: -.25in;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-fareast-font-family: "Times New Roman"; mso-fareast-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;"><span style="mso-list: Ignore;">1.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Table
Level Constraints.</span></div>
<div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">In this type
the constraint is checked if there is any modification to a row, regardless the
value of the column changed or not.</span></div>
<div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">One good
example of this type is the check constraint, if we create check constraint in
table level the constraint will be checked each time the row has been affected
by any type of change.</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">CREATE</span><span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"> <span style="color: blue;">TABLE</span> [TABLELEVEL]</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: grey; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">(</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-tab-count: 1;"> </span>[ID] <span style="color: blue;">INT</span> <span style="color: blue;">PRIMARY</span> <span style="color: blue;">KEY</span><span style="color: grey;">,</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-tab-count: 1;"> </span>[STARTDATE] <span style="color: blue;">DATE</span> <span style="color: grey;">NOT</span> <span style="color: grey;">NULL,</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-tab-count: 1;"> </span>[ENDDATE] <span style="color: blue;">DATE</span> <span style="color: grey;">NOT</span> <span style="color: grey;">NULL,</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-tab-count: 1;"> </span>[CHECKED] <span style="color: blue;">DATE</span> <span style="color: grey;">NOT</span> <span style="color: grey;">NULL,</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-tab-count: 1;"> </span><span style="color: blue;">CONSTRAINT</span> TABLELEVELCONSTRIANT
<span style="color: blue;">CHECK</span><span style="color: grey;">(</span>
[CHECKED] <span style="color: grey;">BETWEEN</span> [STARTDATE] <span style="color: grey;">AND</span> [ENDDATE]<span style="color: grey;">)</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: grey; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">)</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<br /></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">GO</span><span style="color: blue; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi; mso-no-proof: yes;"></span></div>
<div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">As you see in
the above code the <b>checked </b>column has check constraint to check if it
between <b>startdate</b> and <b>enddate</b>, either the value of the checked
column modified or any other column is modified (startdate, enddate, ..) the
check constraint will be evaluated.</span></div>
<div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">The primary key
constraint always evaluate if any value in the whole table (not on the column
or row) is changed if we have composite primary key we need to check all
columns to check if it meet the constraint or not and the new added or modified
value does not make any conflict with other row.</span></div>
<div class="MsoListParagraphCxSpMiddle">
<br /></div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo2; text-indent: -.25in;">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-fareast-font-family: "Times New Roman"; mso-fareast-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;"><span style="mso-list: Ignore;">2.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Column
Level Constraints.</span></div>
<div class="MsoListParagraphCxSpMiddle">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">In this type
the constraint is checked when the value of the column changed.</span></div>
<div class="MsoListParagraphCxSpLast">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">If we consider
the previous example of check constraint a little change to the code definition
will make the constraint be checked on the column not on the row.</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">CREATE</span><span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"> <span style="color: blue;">TABLE</span> [COLUMNLEVEL]</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: grey; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">(</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-tab-count: 1;"> </span>[ID] <span style="color: blue;">INT</span> <span style="color: blue;">PRIMARY</span> <span style="color: blue;">KEY</span><span style="color: grey;">,</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-tab-count: 1;"> </span>[STARTDATE] <span style="color: blue;">DATE</span> <span style="color: grey;">NOT</span> <span style="color: grey;">NULL,</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-tab-count: 1;"> </span>[ENDDATE] <span style="color: blue;">DATE</span> <span style="color: grey;">NOT</span> <span style="color: grey;">NULL,</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-tab-count: 1;"> </span>[CHECKED] <span style="color: blue;">DATE</span> <span style="color: grey;">NOT</span> <span style="color: grey;">NULL,</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-tab-count: 1;"> </span><span style="color: blue;">CONSTRAINT</span> COLUMNLEVELCONSTRIANT
<span style="color: blue;">CHECK</span><span style="color: grey;">(</span>
[CHECKED] <span style="color: grey;">></span> <span style="color: red;">'2012-01-01'</span><span style="color: grey;">)</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: grey; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">)</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<br /></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;">GO</span><span style="color: blue; font-family: "Times New Roman","serif"; font-size: 12.0pt; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi; mso-no-proof: yes;"></span></div>
<div class="MsoListParagraphCxSpFirst">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Note we changed
the check constraint to check for specific value that doesn’t depend on any other
column on the table.</span></div>
<div class="MsoListParagraphCxSpLast">
<br /></div>
<div class="MsoNormal">
<b><span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">To sum up if
the constraint depends on other column or we need to check other column(s) or
rows this constraint will be table level constraint.</span></b></div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
<span style="font-family: "Times New Roman","serif"; font-size: 14.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Written by:</span></div>
<div class="MsoNormal" style="margin-left: .5in; text-indent: .5in;">
<span style="font-family: "Times New Roman","serif"; font-size: 12.0pt; line-height: 115%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Elmozamil Elamir Hamid.</span></div>
</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com0tag:blogger.com,1999:blog-612598008485126478.post-63661969957342848962012-09-12T05:58:00.002-07:002015-01-28T02:36:44.376-08:00SQL Server Database Creation<div dir="ltr" style="text-align: left;" trbidi="on">
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<br />
<div class="MsoNormal" style="text-align: justify;">
<b>SQL Server Database Creation:</b></div>
<div class="MsoNormal" style="text-align: justify;">
<b>Database Planning:</b></div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l2 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">1.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Storage.</div>
<div class="MsoListParagraphCxSpMiddle" style="text-align: justify;">
Space needed to
store your database the size of database determines where you can store it, and
the growth of database will determine the size of storage you need to store
data.<br />
<a name='more'></a></div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l2 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">2.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Performance</div>
<div class="MsoListParagraphCxSpMiddle" style="text-align: justify;">
Your database
may have a lot of transactions and many concurrent users connect to the
database, in this case you need to identify the server resources that meet your
needs, you must choose proper CPU, RAM, NIC, and so on. <span style="mso-spacerun: yes;"> </span></div>
<div class="MsoListParagraphCxSpLast" style="mso-list: l2 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">3.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Protect and maintain.</div>
<div class="MsoNormal" style="margin-left: .5in; text-align: justify;">
Protecting your
database is most important thing that have to plan carefully, who can login to
the server, who can see this database, who can see those tables, who can edit,
and many levels of users in your database.</div>
<div class="MsoNormal" style="margin-left: .5in; text-align: justify;">
You must
maintain your database by backup and restore, and maintain indexes which will
improve your performance, main your security roles.</div>
<div class="MsoNormal" style="text-align: justify;">
When you decide to create
database you must plan your database carefully, if your create database with
existing server that contains many other database you should be careful about
performance, space, and security.</div>
<div class="MsoNormal" style="text-align: justify;">
<b>File and File Groups:</b></div>
<div class="MsoNormal" style="text-align: justify;">
SQL Server database require at
least two operating system files. Data file which use to store tables, indexes,
views, SP, and all database objects and the other file is log file which used
to store log information which used to recover database in case of failure.
Every transaction against your database is recorded in the log file if the
system fail SQL server will recover the database from your log file.</div>
<div class="MsoNormal" style="text-align: justify;">
<b>We have three types of files:</b></div>
<div class="MsoNormal" style="text-align: justify;">
Primary file it is data file and
has .mdf extension (you can use any other extension but this is well known and
is the default) any database has only one primary file group.</div>
<div class="MsoNormal" style="text-align: justify;">
Secondary file it is a database
and has .ndf extension (you can use any other extension but this is well known
and is the default) the database may have no secondary file it may use only the
primary file. The secondary files are used to spread data across multiple disks
you may have ten files each file in separate disk.</div>
<div class="MsoNormal" style="text-align: justify;">
<b>There are two types of file
group:</b></div>
<div class="MsoNormal" style="text-align: justify;">
Primary file group which contains
the primary file and can contain secondary file, the other file group user
defined file group which contains the secondary files. This structure helps you
to maintain your database and provide partial availability you can backup only
on file group or file and also you can restore only one file group (we will
speak about partial restore in another post).</div>
<div class="MsoNormal" style="text-align: justify;">
<b>Database Options:</b></div>
<div class="MsoNormal" style="text-align: justify;">
Always decide which options you
need for your database, if you want it to be simple recovery mode or full, or
bulk_log, or you want it to be single user, or restricted, or multi user. The
default options is multi user and full recovery mode.</div>
<div class="MsoNormal" style="text-align: justify;">
<a href="http://technet.microsoft.com/en-us/library/ms190249%28SQL.105%29.aspx">http://technet.microsoft.com/en-us/library/ms190249%28SQL.105%29.aspx</a>
</div>
<div class="MsoNormal" style="text-align: justify;">
To create database in SQL server
you can use scripts or you can use GUI:</div>
<div class="MsoNormal" style="text-align: justify;">
<b>GUI:</b></div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l0 level1 lfo2; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">1.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Connect to your SQL Server instance.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo2; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">2.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Right click on Database node and choose New Database.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo2; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">3.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Enter your database name in the textbox name database name.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo2; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">4.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>In database files you can chick on Add and add new database
file, scroll and you will find many options (path, size, growth (it is better
to put number not percent in the file growth I will speak about this in another
post)).</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo2; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">5.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>On the top left of the window click on Options you we see
different options.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo2; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">6.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>On the top left of the window click on file groups in this you
can add user defined file groups and you can add many file groups.</div>
<div class="MsoListParagraphCxSpMiddle" style="margin-left: .75in; mso-add-space: auto; mso-list: l1 level1 lfo3; text-align: justify; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-bidi-font-style: italic; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><i>(You can see there is button
(in the top of the screen) named script if you click on it will write the
script on behave of you.</i></div>
<div class="MsoListParagraphCxSpLast" style="mso-list: l0 level1 lfo2; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">7.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>After you finish click on OK.</div>
<div class="MsoNormal" style="text-align: justify;">
<b>Scripts:</b></div>
<div class="MsoNormal" style="text-align: justify;">
You can use Create database
command the syntax as this</div>
<div class="MsoNormal" style="text-align: justify;">
<span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; line-height: 115%; mso-no-proof: yes;">CREATE</span><span style="font-family: "Courier New"; font-size: 10.0pt; line-height: 115%; mso-no-proof: yes;"> <span style="color: blue;">DATABASE</span> DatabaseName</span></div>
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<span style="font-family: "Courier New"; font-size: 10.0pt; mso-no-proof: yes;"><span style="mso-spacerun: yes;"> </span><span style="color: magenta;">LOG</span> <span style="color: blue;">ON</span> </span></div>
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<span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; line-height: 115%; mso-no-proof: yes;">GO</span></div>
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<a href="http://msdn.microsoft.com/en-us/library/ms176061.aspx"><span style="font-family: "Courier New"; font-size: 10.0pt; line-height: 115%; mso-no-proof: yes;">http://msdn.microsoft.com/en-us/library/ms176061.aspx</span></a><span style="color: blue; font-family: "Courier New"; font-size: 10.0pt; line-height: 115%; mso-no-proof: yes;"> </span></div>
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Written By </div>
<div class="MsoNormal" style="text-align: justify;">
<span style="mso-tab-count: 1;"> </span>Elmozamil
Elamir Hamid</div>
</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com1tag:blogger.com,1999:blog-612598008485126478.post-4054920071992994942012-09-12T05:48:00.005-07:002015-01-28T02:36:18.042-08:00Information Security: Phishing<div dir="ltr" style="text-align: left;" trbidi="on">
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<b><span style="font-family: "Times New Roman","serif"; font-size: 16.0pt; line-height: 150%; mso-ansi-language: EN-US; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Phishing:</span></b></div>
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<b><span style="font-family: "Times New Roman","serif"; font-size: 16.0pt; line-height: 150%; mso-ansi-language: EN-US; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi; mso-no-proof: yes;"></span></b><b><span style="font-family: "Times New Roman","serif"; font-size: 16.0pt; line-height: 150%; mso-ansi-language: EN-US; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;"></span></b></div>
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<span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;"><span style="mso-tab-count: 1;"> </span>Phishing is a way of
attempting to acquire information (and sometimes, indirectly, money) such as
usernames, passwords, and credit card details by masquerading as a trustworthy
entity in an electronic communication.</span><br />
<a name='more'></a></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;"><span style="mso-tab-count: 1;"> </span>The basic idea
behind the phishing is the creation of page the looks like the original page
and if you got the two page to compare the design and information in the body
of the each page you can't differentiate between them, this makes phishing is
very dangerous when it compared with other of attack that target user sensitive
information.</span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;"><span style="mso-tab-count: 1;"> </span>Anti phishing
programs do not guarantee 100% of protection, there is no signature that those
programs can use to identify if this page is phishing page or not, all they do
is they have a list of phishing pages, this means if you targeted with new
phishing pages anti phishing programs do not help you.</span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<b><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 16.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">How does Phishing works:</span></b></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;"><span style="mso-tab-count: 1;"> </span>It simply based on
the user actions, if user takes right actions the phishing does not work but if
the user always takes the quick responses it definitely works. It works in this
sequence (there are other methods and technique):</span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<b><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">First</span></b><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;"><span style="mso-spacerun: yes;"> </span>the hacker create identical page of the
original page, for example if you target Facebook users you have to create page
that looks like the Facebook original page, and the same rule applies for all
other target pages, banking, emails, online shopping, and so on.</span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<b><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Second</span></b><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;"> the
attacker will send an email to the victim and pretend he is give specific
information something like <i>you must change your password </i>or <i>you won
million dollars </i>and so on. The most important thing here is the email must
contains link to other page that you must click on it.</span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<b><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Third</span></b><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">
after you click on the link you will see the page and it looks as it is the
original page, you will enter your information (user name, password, credit
card, and so on) after you click submit the information will be stored in file
or database as hacker configure it.</span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<b><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Forth</span></b><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;"> the
hacker will lunch tools on your stored information so he can grant access to
your account, or your credit card information. and now you lost your account or
you lost money.</span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<b><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">How to protect yourself:</span></b></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;"><span style="mso-tab-count: 1;"> </span>As you saw on the
previous section it all based on your response to emails and links that you
click on it. </span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;"><span style="mso-tab-count: 1;"> </span>It simple if you
does not click on the link this attack will not be success.</span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">"<b><i>You can safeguard your internet security privacy if you
use an anti phishing tool in an internet security program – coupled, of course,
with common sense.</i></b>" </span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">http://www.kaspersky.com/threats/how-phishing-works</span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">After you install anti phishing you must have to protect yourself
by taking the following actions:</span></div>
<div class="MsoListParagraphCxSpFirst" style="line-height: 150%; mso-list: l1 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span lang="EN-MY" style="font-family: Symbol; font-size: 15.0pt; line-height: 150%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Sender</span></div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: 150%; text-align: justify;">
<span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Check the sender address if you know the sender open the email.</span></div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: 150%; mso-list: l1 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span lang="EN-MY" style="font-family: Symbol; font-size: 15.0pt; line-height: 150%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Do not click on any link in your email if you know the sender
address (it maybe spoofed), open your browser and write the link (As you know
the URL of the original page is not same as the phishing page) this may
guarantee that you open the correct page.</span></div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: 150%; mso-list: l1 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span lang="EN-MY" style="font-family: Symbol; font-size: 15.0pt; line-height: 150%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">If it possible pick up the phone and call to make sure that this is
true, if your bank send you email regarding your banking information always
call them and make sure they really asked this information.</span></div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: 150%; mso-list: l1 level1 lfo1; text-align: justify; text-indent: -.25in;">
<div class="separator" style="clear: both; text-align: center;">
<a href="http://www.blogger.com/blogger.g?blogID=612598008485126478" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a></div>
<div class="separator" style="clear: both; text-align: center;">
<a href="http://www.blogger.com/blogger.g?blogID=612598008485126478" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a></div>
<span lang="EN-MY" style="font-family: Symbol; font-size: 15.0pt; line-height: 150%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">There are many other steps that you can found it by googling or in
the following link:</span></div>
<div class="MsoListParagraphCxSpLast" style="line-height: 150%; text-align: justify;">
<span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">http://www.focus.com/fyi/44-ways-protect-phishing/ </span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<b><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Things To remember:</span></b></div>
<div class="MsoListParagraphCxSpFirst" style="line-height: 150%; mso-list: l0 level1 lfo2; text-align: justify; text-indent: -.25in;">
<span lang="EN-MY" style="font-family: Wingdings; font-size: 15.0pt; line-height: 150%; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings;"><span style="mso-list: Ignore;">v<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Phishing is
very dangerous.</span></div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: 150%; mso-list: l0 level1 lfo2; text-align: justify; text-indent: -.25in;">
<span lang="EN-MY" style="font-family: Wingdings; font-size: 15.0pt; line-height: 150%; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings;"><span style="mso-list: Ignore;">v<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Time is money,
take your time to protect your money.</span></div>
<div class="MsoListParagraphCxSpLast" style="line-height: 150%; mso-list: l0 level1 lfo2; text-align: justify; text-indent: -.25in;">
<span lang="EN-MY" style="font-family: Wingdings; font-size: 15.0pt; line-height: 150%; mso-bidi-font-family: Wingdings; mso-fareast-font-family: Wingdings;"><span style="mso-list: Ignore;">v<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Your sensitive
information that have been phished can be used in other type of attack and
really harm you. </span></div>
<div class="MsoNormal" style="line-height: 150%; text-align: justify;">
<span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Further Reading:</span></div>
<div class="MsoListParagraphCxSpFirst" style="line-height: 150%; mso-list: l2 level1 lfo3; text-align: justify; text-indent: -.25in;">
<span lang="EN-MY" style="font-family: Symbol; font-size: 15.0pt; line-height: 150%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;"><img alt="*" height="17" src="file:///C:\Users\ELMOZA~1.ELA\AppData\Local\Temp\msohtmlclip1\01\clip_image001.gif" width="17" /><span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">http://en.wikipedia.org/wiki/Phishing</span></div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: 150%; mso-list: l2 level1 lfo3; text-align: justify; text-indent: -.25in;">
<span lang="EN-MY" style="font-family: Symbol; font-size: 15.0pt; line-height: 150%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;"><img alt="*" height="17" src="file:///C:\Users\ELMOZA~1.ELA\AppData\Local\Temp\msohtmlclip1\01\clip_image001.gif" width="17" /><span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">http://www.phishinginfo.org/how.html</span></div>
<div class="MsoListParagraphCxSpMiddle" style="line-height: 150%; mso-list: l2 level1 lfo3; text-align: justify; text-indent: -.25in;">
<span lang="EN-MY" style="font-family: Symbol; font-size: 15.0pt; line-height: 150%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;"><img alt="*" height="17" src="file:///C:\Users\ELMOZA~1.ELA\AppData\Local\Temp\msohtmlclip1\01\clip_image001.gif" width="17" /><span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">http://www.kaspersky.com/threats/how-phishing-works</span></div>
<div class="MsoListParagraphCxSpLast" style="line-height: 150%; mso-list: l2 level1 lfo3; text-align: justify; text-indent: -.25in;">
<span lang="EN-MY" style="font-family: Symbol; font-size: 15.0pt; line-height: 150%; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;"><img alt="*" height="17" src="file:///C:\Users\ELMOZA~1.ELA\AppData\Local\Temp\msohtmlclip1\01\clip_image001.gif" width="17" /><span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span><span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">http://www.pcworld.com/businesscenter/article/135293/types_of_phishing_attacks.html</span><br />
<br />
<span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">written by </span><br />
<span lang="EN-MY" style="font-family: "Times New Roman","serif"; font-size: 15.0pt; line-height: 150%; mso-ascii-theme-font: major-bidi; mso-bidi-theme-font: major-bidi; mso-hansi-theme-font: major-bidi;">Elmozamil Elamir Hamid</span></div>
</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com0tag:blogger.com,1999:blog-612598008485126478.post-23417279715917586532012-09-03T23:18:00.003-07:002015-01-28T02:36:06.664-08:00Difference between Primary Key and Candidate Key<div dir="ltr" style="text-align: left;" trbidi="on">
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<br />
<div class="MsoNormal" style="text-align: justify;">
<b>Difference between Primary Key
and Candidate Key:</b></div>
<div class="MsoNormal" style="text-align: justify; text-indent: .5in;">
<b>Primary key</b>
is a uniquely identifies each record in the relation, it cannot accept null
values. The primary key may be one attribute or a composite of attributes, e.g.<br />
<a name='more'></a>
you may have your (customerID) as primary key or (CustomerID and RespID) as a
primary key.</div>
<div class="MsoNormal" style="text-align: justify; text-indent: .5in;">
<b>Candidate key</b>
is a unique and not null key (similar to primary key) this candidate key is
qualified to be a primary key, for some reason you didn’t choose it as a key.</div>
<div class="MsoNormal" style="text-align: justify;">
<i>Primary key = Unique + Not
Null.</i></div>
<div class="MsoNormal" style="text-align: justify;">
<i>Candidate key = Unique + Not
Null.</i></div>
<div class="MsoNormal" style="text-align: justify;">
<b>Example:</b></div>
<div class="MsoNormal" style="text-align: justify;">
Consider a company has a Customer
table that contains all customer information CustomerID, and customerName,
Phone, SSN, …, etc.</div>
<div class="MsoNormal" style="text-align: justify;">
If CustomerID is unique and not
null the company may take it as a primary key. And SSN is unique but if it did
not accept null values it will be the candidate key (Notice you can choose SSN
as a primary key and CutomerID as candidate key and vice versa).</div>
<div class="MsoNormal" style="text-align: justify;">
<i>Simply <b>candidate key </b>is
like a primary key but you didn’t choose it as a primary key.</i></div>
<div class="MsoNormal" style="text-align: justify;">
<br /></div>
<div class="MsoNormal" style="text-align: justify;">
Written by:</div>
<div class="MsoNormal" style="text-align: justify;">
Elmozamil Elamir Hamid </div>
</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com0tag:blogger.com,1999:blog-612598008485126478.post-71751112141206619872012-07-17T05:48:00.002-07:002015-01-28T02:35:50.950-08:00SQL Server Security<div dir="ltr" style="text-align: left;" trbidi="on">
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<br />
<div class="MsoNormal">
<b>SQL Server Security</b></div>
<div class="MsoNormal">
This is first post about SQL Server Security, in this post
we will speak about Sever Configuration:</div>
<div class="MsoNormal" style="text-align: justify; text-indent: .5in;">
First you need
clear plan about your installation; what services you want, and what you aren’t,
if you need SSAS, SSRS, Filestream and so on<br />
<a name='more'></a>.</div>
<div class="MsoNormal" style="text-align: justify; text-indent: .5in;">
In SQL server
you need service account to install services in the server for database engine
and SQL server agent and so on, those service accounts must be created with
least permission – the permission needed to run the service - if you provide
the service account with more than required permission this may affect your computer
if an attacker compromise your account. This is first step in the security of
SQL server.</div>
<div class="MsoNormal">
Another important thing is don’t install services that you
doesn’t want it; this will minimize the vulnerability in your system.</div>
<div class="MsoNormal">
<b>Steps to stop, start or restart SQL Server services:</b></div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l1 level1 lfo2; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Go to start menu -> SQL
Server 2008 R2 -> Configuration Tools</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l1 level1 lfo2; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Click on SQL Server
Configuration Manager.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l1 level1 lfo2; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Double click on the desired
service.</div>
<div class="MsoListParagraphCxSpMiddle" style="margin-left: 1.0in; mso-add-space: auto; mso-list: l1 level2 lfo2; text-indent: -.25in;">
<span style="font-family: "Courier New"; mso-fareast-font-family: "Courier New";"><span style="mso-list: Ignore;">o<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Instead of double click you
can right click and choose stop, restart, or start.</div>
<div class="MsoListParagraphCxSpLast" style="mso-list: l1 level1 lfo2; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>A window will open in this
window you can change service account, stop and start service.</div>
<div class="MsoNormal">
In SQL Server Configuration Manager you can enable and
disable remote access to your SQL server server by:</div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l1 level1 lfo2; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>SQL Server Network
Configuration -> Protocols for <i>InstanceName</i></div>
<div class="MsoListParagraphCxSpLast" style="mso-list: l1 level1 lfo2; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Double click TCP-IP and in
enable choose no.</div>
<div class="MsoNormal">
This will prevent you other computer from access to SQL server.</div>
<div class="MsoNormal">
<b>In SQL server there are two types of authentication:</b></div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l2 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-bidi-font-weight: bold; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><b>Windows authentication:</b></div>
<div class="MsoListParagraphCxSpMiddle">
In this mode you won’t prompted for user
name and password, SQL server validates the account name and password using the
Windows principal token in the operating system (<a href="http://msdn.microsoft.com/en-us/library/ms144284%28v=sql.105%29.aspx">http://msdn.microsoft.com/en-us/library/ms144284%28v=sql.105%29.aspx</a>
) Windows authentication is the default and more secure than Mixed mode.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l2 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-bidi-font-weight: bold; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><b>SQL Server and Windows
authentication mode (Mixed mode)</b></div>
<div class="MsoListParagraphCxSpMiddle">
In this mode you can connect using Windows
authentication or SQL server user name and password in case of SQL server
authentication you must provide user name and password.</div>
<div class="MsoListParagraphCxSpLast">
<br /></div>
<div class="MsoNormal">
<b>Steps to change Authentication Mode:</b></div>
<div class="MsoNormal">
In installation you will be prompted for authentication mode
and the default is Windows authentication mode. </div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l0 level1 lfo3; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">1.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Go to start menu -> SQL
Server 2008 R2.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo3; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">2.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Click on SQL Server
Management Studio (SSMS).</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo3; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">3.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>You will be prompted for connection
provide your server name and connect.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo3; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">4.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>After you connected
successfully right click on your server and choose properties.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo3; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">5.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>In the left pane choose
Security.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo3; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">6.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>And then choose the authentication
you want.</div>
<div class="MsoListParagraphCxSpLast" style="mso-list: l0 level1 lfo3; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">7.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Restart SQL Server server.</div>
<div class="MsoNormal">
If you for some reason configure your SQL server to use Mixed
Mode:</div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l2 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Make sure that you provide
strong password.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l2 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Do not enable sa account
except if you necessary need it (for example with policy).</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l2 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>If you enable sa rename the
sa account.</div>
<div class="MsoListParagraphCxSpLast" style="mso-list: l2 level1 lfo1; text-indent: -.25in;">
<span style="font-family: Symbol; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;">·<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>Create strong password for
sa account.</div>
<div class="MsoNormal">
To check if the sa account is set with no password you can
use the following query</div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: Consolas; font-size: 9.5pt;">select</span><span style="font-family: Consolas; font-size: 9.5pt;"> <span style="color: grey;">*</span> <span style="color: blue;">from</span> <span style="color: blue;">OPENROWSET</span><span style="color: grey;">(</span><span style="color: red;">'SQLOLEDB'</span><span style="color: grey;">,</span><span style="color: red;">'servername</span><span style="color: grey;">;</span><span style="color: red;">'sa'</span><span style="color: grey;">;</span><span style="color: red;">''</span><span style="color: grey;">,</span><span style="color: red;">'SELECT * FROM
sys.databases'</span><span style="color: grey;">)</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<br /></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<b>Reduce the attack surface
area:</b></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
You need to disable any
unused feature, run this command to check for enabled and disabled feature</div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: Consolas; font-size: 9.5pt;">SP_CONFIGURE</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
Check those links to know
more about server configuration</div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<a href="http://msdn.microsoft.com/en-us/library/ms188787.aspx">http://msdn.microsoft.com/en-us/library/ms188787.aspx</a>
</div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<a href="http://msdn.microsoft.com/en-us/library/ms189631.aspx">http://msdn.microsoft.com/en-us/library/ms189631.aspx</a>
</div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<br /></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
This is a general
configuration for your SQL server</div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<br /></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
In the upcoming topics
we will speak about securing data in your database by using encryption, encrypting
column, or the whole database event in the backup tape.</div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<br /></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<br /></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<br /></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<br /></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
Written by:</div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="mso-tab-count: 1;"> </span><b><i>Elmozamil Elamir Hamid</i></b></div>
</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com0tag:blogger.com,1999:blog-612598008485126478.post-84628298304390330322012-06-07T04:26:00.001-07:002015-01-28T02:35:27.134-08:00Eliminate holidays (weekends, specific day) using T-SQL<div dir="ltr" style="text-align: left;" trbidi="on">
<br />
<div class="MsoNormal">
<b><span style="font-size: 13pt; line-height: 115%;">Eliminate
holidays (weekends, specific day) using T-SQL</span></b></div>
<div class="MsoNormal">
One of the <b>tasks</b> that may we have to deal with is
how to <b>eliminate</b> weekends and holidays from a period using SQL server, e.g.
if you want to calculate number of business days for specific company you may
need to eliminate Saturday and Sunday or Friday.<br />
<a name='more'></a></div>
<div class="MsoNormal">
To do this you can use <b>DATENAME</b> function to get name
of the day and then eliminate this day from your selection.</div>
<div class="MsoNormal">
In the bellow query I calculate the number of business days
excluding Friday.</div>
<div class="MsoNormal">
To do this I used Function and then call this function in
may select statement.</div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10pt;">ALTER</span><span style="font-family: "Courier New"; font-size: 10pt;"> <span style="color: blue;">FUNCTION</span> [dbo]<span style="color: grey;">.</span>[Caldates]<span style="color: green;"></span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: grey; font-family: "Courier New"; font-size: 10pt;">(</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> @SDate <span style="color: blue;">Date</span><span style="color: grey;">,</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> @EDate <span style="color: blue;">Date</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: grey; font-family: "Courier New"; font-size: 10pt;">)</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10pt;">RETURNS</span><span style="font-family: "Courier New"; font-size: 10pt;"> <span style="color: blue;">int</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10pt;">AS</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10pt;">BEGIN</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> <span style="color: blue;">DECLARE</span> @WeekEnd <span style="color: blue;">AS</span> <span style="color: blue;">NVARCHAR</span><span style="color: grey;">(</span>15<span style="color: grey;">)</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> <span style="color: blue;">DECLARE</span> @Days <span style="color: blue;">AS</span> <span style="color: blue;">INT</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> <span style="color: blue;">SET</span> @WeekEnd <span style="color: grey;">=</span> <span style="color: red;">'Friday' – you can create
more than one variable for different days</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> <span style="color: blue;">SET</span> @Days <span style="color: grey;">=</span> 0</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> </span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> <span style="color: blue;">WHILE</span> @SDate <span style="color: grey;"><=</span> @EDate</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> <span style="color: blue;">BEGIN</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> <span style="color: blue;">IF</span> <span style="color: magenta;">DATENAME</span><span style="color: grey;">(</span>dw<span style="color: grey;">,</span> @SDate<span style="color: grey;">)</span> <span style="color: grey;"><></span> @WeekEnd</span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> <span style="color: blue;">BEGIN</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> <span style="color: blue;">SET</span> @Days <span style="color: grey;">=</span> @Days <span style="color: grey;">+</span> 1 <span style="color: red;">–- you can use this to calculate number of hours spend in business days by multiplying it by the
number of hours per day.</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> <span style="color: blue;">END</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> <span style="color: blue;">SET</span> @SDate <span style="color: grey;">=</span> <span style="color: magenta;">DATEADD</span><span style="color: grey;">(</span><span style="color: magenta;">day</span><span style="color: grey;">,</span>1<span style="color: grey;">,</span>@SDate<span style="color: grey;">)</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> <span style="color: blue;">END</span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="font-family: "Courier New"; font-size: 10pt;"> <span style="color: blue;">return</span> @Days</span></div>
<div class="MsoNormal">
<span style="color: blue; font-family: "Courier New"; font-size: 10pt; line-height: 115%;">END</span></div>
<div class="MsoNormal">
Your select statement</div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0in; mso-layout-grid-align: none; text-autospace: none;">
<span style="color: blue; font-family: "Courier New"; font-size: 10pt;">SELECT</span><span style="font-family: "Courier New"; font-size: 10pt;"> [dbo]<span style="color: grey;">.</span>[ Caldates]<span style="color: blue;"> </span><span style="color: grey;">(‘2012-01-01’, ‘2012-06-07’)</span></span></div>
<div class="MsoNormal">
<span style="color: blue; font-family: "Courier New"; font-size: 10pt; line-height: 115%;">GO</span></div>
<div class="MsoNormal">
You can change the above query as you want, and please share
another ways to play with date.</div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
Written by: <i>Elmozamil Elamir Hamid</i></div>
<div class="MsoNormal" style="text-align: center;">
7-6-2012. </div>
</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com0tag:blogger.com,1999:blog-612598008485126478.post-694800094347806602012-04-15T00:45:00.003-07:002015-01-28T02:35:11.873-08:00Progress DB Migration<div dir="ltr" style="text-align: left;" trbidi="on">
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<br />
<b><i>The purpose of this article is to
guide you through step by step procedure on how to migrate from progress DB to
access DB or to any other DBMS.</i></b><b><span style="font-size: 12.0pt; line-height: 115%;"><i> </i></span></b><br />
<br />
<b><span style="font-size: 12pt; line-height: 115%;">Progress DB Migration:</span></b> <br />
<div class="MsoNormal" style="text-align: justify;">
<b>Database Migration</b> is a
process of moving or coping data from one database management system (DBMS) to
another or moving data from an old system to another for example moving/coping
data from Progress DB to SQL Server or to Access and so on.<br />
<a name='more'></a></div>
<div class="MsoNormal" style="text-align: justify;">
<b>Key Concepts:</b></div>
<div class="MsoNormal" style="text-align: justify;">
Legacy Database: is an old
database management system (for more Info. <a href="http://esj.com/articles/2007/11/06/why-legacy-databases-are-here-to-stay.aspx">http://esj.com/articles/2007/11/06/why-legacy-databases-are-here-to-stay.aspx</a>)
</div>
<div class="MsoNormal" style="text-align: justify;">
File system: is a file that created
by an application to contain needed information for the application, for
example you can create a file loaded when your application is startup to get
configuration. Some existing applications produce files (like text file, or CSV
(Comma Separated Value) file) like many Telecom applications, and some figure
print devices and so on.</div>
<div class="MsoNormal" style="text-align: justify;">
Data Cleansing: is a process of
preparing data from legacy system to be included in the new system. (for more
Info. <a href="http://www.infotechnet.org/ntca/DataMigration.htm">http://www.infotechnet.org/ntca/DataMigration.htm</a>
)</div>
<div class="MsoNormal" style="text-align: justify;">
ETL: Is a process of extracting
data from database management system (or file system) and transforming this
data in a proper format and loading it in the new Database management system
(or file system) (for more Info <a href="http://en.wikipedia.org/wiki/Extract,_transform,_load">http://en.wikipedia.org/wiki/Extract,_transform,_load</a>
)</div>
<div class="MsoNormal" style="text-align: justify;">
Migrate from Progress DB to
Access DB:</div>
<div class="MsoNormal" style="text-align: justify;">
When I tried to migrate from
Progress DB to Access I face problem on the driver I didn’t found any build-in
driver to connect between progress and Access so I made search about ODBC
drivers for progress, fortunately I found many, one of these is OpenLink (<a href="http://www.openlinksw.com/">http://www.openlinksw.com/</a> ) so after
installing and testing this tool it is really good tool.</div>
<div class="MsoNormal" style="text-align: justify;">
<b>Configuring OpenLink:</b></div>
<div class="MsoNormal" style="text-align: justify;">
After installing OpenLink
software:</div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l1 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">1.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Go to Control Panel -> Administrative Tools -> Data
Sources (ODBC).</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l1 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">2.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Choose System DSN tab.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l1 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">3.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Press Add then you found many OpenLink Choose the appropriate
one for you and double click on it.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l1 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">4.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Name it, press next.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l1 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">5.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Fill the fields as appear on figures bellow. </div>
<div class="MsoListParagraphCxSpLast" style="mso-list: l1 level1 lfo1; text-align: justify; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">6.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Then press Finish.</div>
<div class="MsoNormal" style="text-align: justify;">
<span style="mso-no-proof: yes;"></span></div>
<div class="separator" style="clear: both; text-align: center;">
<a href="http://4.bp.blogspot.com/-PleOqoMreOc/T4p7ZpTYhaI/AAAAAAAAADM/PygCUje3YBc/s1600/Config1.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://4.bp.blogspot.com/-PleOqoMreOc/T4p7ZpTYhaI/AAAAAAAAADM/PygCUje3YBc/s320/Config1.JPG" height="223" width="320" /></a></div>
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="http://4.bp.blogspot.com/-WWl2N7KXAvc/T4p7bFFZ5RI/AAAAAAAAADU/68hkBzajgoM/s1600/Config2.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://4.bp.blogspot.com/-WWl2N7KXAvc/T4p7bFFZ5RI/AAAAAAAAADU/68hkBzajgoM/s320/Config2.JPG" height="215" width="320" /></a></div>
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="http://2.bp.blogspot.com/-oyow-NW5ITQ/T4p7cFNXeqI/AAAAAAAAADc/aowAzuSyVMY/s1600/Config3.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://2.bp.blogspot.com/-oyow-NW5ITQ/T4p7cFNXeqI/AAAAAAAAADc/aowAzuSyVMY/s320/Config3.JPG" height="218" width="320" /></a></div>
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="http://1.bp.blogspot.com/-nLTWZE65L_0/T4p7daJMZfI/AAAAAAAAADk/QIob9v2s3Rw/s1600/Config4.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://1.bp.blogspot.com/-nLTWZE65L_0/T4p7daJMZfI/AAAAAAAAADk/QIob9v2s3Rw/s320/Config4.JPG" height="219" width="320" /></a></div>
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="http://3.bp.blogspot.com/-Z-VoYDvnBcU/T4p7en-ir8I/AAAAAAAAADo/ISKBJn1AOjc/s1600/Config5.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/-Z-VoYDvnBcU/T4p7en-ir8I/AAAAAAAAADo/ISKBJn1AOjc/s320/Config5.JPG" height="221" width="320" /></a></div>
<div class="MsoNormal" style="text-align: justify;">
<br /></div>
<div class="MsoNormal" style="text-align: justify;">
<span style="mso-no-proof: yes;"></span></div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
<span style="mso-no-proof: yes;"></span></div>
<div class="MsoNormal">
<span style="mso-no-proof: yes;"></span></div>
<div class="MsoNormal" style="tab-stops: 52.5pt;">
<span style="mso-no-proof: yes;"></span></div>
<div class="MsoNormal" style="tab-stops: 52.5pt;">
<br /></div>
<div class="MsoNormal" style="tab-stops: 52.5pt;">
Now your OpenLink has been
configured.</div>
<div class="MsoNormal" style="tab-stops: 52.5pt;">
Then access:</div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l0 level1 lfo2; tab-stops: 52.5pt; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">1.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Create new database.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo2; tab-stops: 52.5pt; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">2.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Go to insert, choose table.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo2; tab-stops: 52.5pt; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">3.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Select import table.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo2; tab-stops: 52.5pt; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">4.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Choose ODBC.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo2; tab-stops: 52.5pt; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">5.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Select Machine Data Source.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo2; tab-stops: 52.5pt; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">6.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Select your OpenLink created connection.</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo2; tab-stops: 52.5pt; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">7.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Enter user name and password.</div>
<div class="MsoListParagraphCxSpLast" style="mso-list: l0 level1 lfo2; tab-stops: 52.5pt; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">8.<span style="font: 7.0pt "Times New Roman";"> </span></span></span><span dir="LTR"></span>Select tables to import.</div>
<div class="MsoNormal" style="tab-stops: 52.5pt;">
<span style="mso-no-proof: yes;"></span></div>
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="http://1.bp.blogspot.com/-WhJQAhcIiOA/T4p7tMTInNI/AAAAAAAAAD0/RiUP3IwKQU8/s1600/1.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://1.bp.blogspot.com/-WhJQAhcIiOA/T4p7tMTInNI/AAAAAAAAAD0/RiUP3IwKQU8/s320/1.JPG" height="263" width="320" /></a></div>
<div class="MsoNormal" style="tab-stops: 52.5pt;">
</div>
<div class="separator" style="clear: both; text-align: center;">
<a href="http://2.bp.blogspot.com/--JfIu_TdZhQ/T4p8PwIB5gI/AAAAAAAAAEc/j1Ta7ydQQmo/s1600/2.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://2.bp.blogspot.com/--JfIu_TdZhQ/T4p8PwIB5gI/AAAAAAAAAEc/j1Ta7ydQQmo/s320/2.JPG" height="197" width="320" /> </a></div>
<div class="separator" style="clear: both; text-align: center;">
<br /></div>
<div class="separator" style="clear: both; text-align: center;">
<a href="http://1.bp.blogspot.com/-622uw1THGkc/T4p8TRZqpmI/AAAAAAAAAEk/cm4piFr7DD0/s1600/3.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://1.bp.blogspot.com/-622uw1THGkc/T4p8TRZqpmI/AAAAAAAAAEk/cm4piFr7DD0/s320/3.JPG" height="185" width="320" /></a></div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal" style="tab-stops: 52.5pt;">
<span style="mso-no-proof: yes;"></span></div>
<div class="separator" style="clear: both; text-align: center;">
<a href="http://1.bp.blogspot.com/-CgFfWYBlL8o/T4p8Yp9pttI/AAAAAAAAAEs/jOPgugDGsOo/s1600/4.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://1.bp.blogspot.com/-CgFfWYBlL8o/T4p8Yp9pttI/AAAAAAAAAEs/jOPgugDGsOo/s320/4.JPG" height="274" width="320" /></a></div>
<br />
<div class="MsoNormal" style="tab-stops: 52.5pt;">
<br /></div>
<br />
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="http://3.bp.blogspot.com/-u_OT20cxRsw/T4p8cwpMs9I/AAAAAAAAAE0/jF5HVKMCvhE/s1600/6.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/-u_OT20cxRsw/T4p8cwpMs9I/AAAAAAAAAE0/jF5HVKMCvhE/s320/6.JPG" height="166" width="320" /></a></div>
<div class="MsoNormal">
</div>
<br />
<div class="MsoNormal" style="tab-stops: 52.5pt;">
If you want to migrate to SQL
server you can migrate by using Export/Import wizard or by using SSIS,
Sometimes there are problems with .Net framework regarding data types (which I
faced and I googled but all I found does not help) so you may migrate to access
and see what you can do.</div>
<div class="MsoNormal" style="tab-stops: 52.5pt;">
For excel you will be faced by
number of rows limitation problem.</div>
<div class="MsoNormal" style="tab-stops: 52.5pt;">
<b>Written By:</b></div>
<div class="MsoNormal" style="tab-stops: 52.5pt;">
<span style="mso-tab-count: 1;"> </span>Elmozamil
Elamir Hamid.</div>
</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com17tag:blogger.com,1999:blog-612598008485126478.post-76926911338176969152012-02-22T23:06:00.000-08:002015-01-28T02:34:58.936-08:00Auditing User Change in your DB<div dir="ltr" style="text-align: left;" trbidi="on">
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<br />
<div class="MsoNormal">
<b><span style="font-size: 14.0pt; line-height: 115%;">Auditing
User Change in your DB:</span></b></div>
<div class="MsoNormal">
<i>In this article I will speak about the well-known and useful
solutions in Microsoft SQL Server 2008.</i></div>
<div class="MsoNormal">
<i>Some of these solutions needs enterprise edition to work
(check Microsoft web site for more info)</i></div>
<div class="MsoNormal">
Auditing you database is most important thing, always we
have to audit our database server our <br />
<a name='more'></a>server performance, query performance and
data integrity and the most important thing is when it related to the user
(Auditing user behavior) if someone delete a record, update or even insert
unwanted record.</div>
<div class="MsoNormal">
We always protect our database from unexpected behavior of users
by using Least Privilege, if user need to make transaction we may give him
insert permission no update no delete, and so on. But sometimes we need to know
who is inserted this row, who is updating employee salary from 1000 USD to 1200
USD, who delete this record and so on.</div>
<div class="MsoNormal">
For this scenario there are many solutions:</div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">1.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><span style="mso-spacerun: yes;"> </span><b>CDC Change Data Capture</b>: <span style="mso-spacerun: yes;"> </span>(<a href="http://msdn.microsoft.com/en-us/library/bb522489.aspx">http://msdn.microsoft.com/en-us/library/bb522489.aspx</a>
).</div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">2.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span><b>Triggers</b>: especially
when there is DDL (<a href="http://msdn.microsoft.com/en-us/magazine/cc164047.aspx">http://msdn.microsoft.com/en-us/magazine/cc164047.aspx</a>
).</div>
<div class="MsoListParagraphCxSpLast" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">3.<span style="font: 7.0pt "Times New Roman";">
</span></span></span><span dir="LTR"></span>And there are another
amazing solution that I discovered it today from Microsoft forum by SQLUSA is
using <b>OUTPUT</b> Clause (<a href="http://www.sqlusa.com/bestpractices2008/output/">http://www.sqlusa.com/bestpractices2008/output/</a>
).</div>
<div class="MsoNormal">
I think these solutions will help us as DBA to monitor our
end users so no one can blame you about the change on salary of any employee. </div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
<i>Written by:</i></div>
<div class="MsoNormal">
<i><span style="mso-tab-count: 1;"> </span>Elmozamil
Elamir Hamid</i></div>
</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com0Khartoum, Sudan15.550101 32.532241-37.790362 -48.327134 68.890564 113.391616tag:blogger.com,1999:blog-612598008485126478.post-89080406977428158952011-12-26T23:38:00.000-08:002015-01-28T02:34:46.295-08:00Stored Procedure<div dir="ltr" style="text-align: left;" trbidi="on">
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</div>
<div class="MsoNormal">
<span style="font-size: small;">When you want to develop application that has connection
with database and need to do basic operation or even you have special logic you
want to perform.</span></div>
<div class="MsoNormal">
<span style="font-size: small;">You need to specify many points (here what I think is
related to DB):</span><br />
<a name='more'></a></div>
<div class="MsoListParagraphCxSpFirst" style="text-indent: -0.25in;">
<span style="font-size: small;"><span style="font-family: Symbol;">·<span style="-moz-font-feature-settings: normal; -moz-font-language-override: normal; font-family: "Times New Roman"; font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">
</span></span><span dir="LTR"></span>How can I connect to my database?</span></div>
<div class="MsoListParagraphCxSpMiddle" style="text-indent: -0.25in;">
<span style="font-size: small;"><span style="font-family: Symbol;">·<span style="-moz-font-feature-settings: normal; -moz-font-language-override: normal; font-family: "Times New Roman"; font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">
</span></span><span dir="LTR"></span>Could my database be secure
if I use this method or another?</span></div>
<div class="MsoListParagraphCxSpLast" style="text-indent: -0.25in;">
<span style="font-size: small;"><span style="font-family: Symbol;">·<span style="-moz-font-feature-settings: normal; -moz-font-language-override: normal; font-family: "Times New Roman"; font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">
</span></span><span dir="LTR"></span>How to prevent myself from known
types of attack “Refer to my Previous topic about SQL Injection <a href="http://elmozamil.blogspot.com/2011/12/normal-0-false-false-false-en-my-x-none.html">http://elmozamil.blogspot.com/2011/12/normal-0-false-false-false-en-my-x-none.html</a></span>
</div>
<div class="MsoNormal">
<span style="font-size: small;">After you connect to your database and specify your logic
and your needs, you must take into your consideration how to pass values to
your database (SQL Injection), authentication and many types. I do not write
about this but my main issue here, <b>why should I use Stored Procedure?</b></span></div>
<div class="MsoNormal">
<span style="font-size: small;"><b>What is Stored Procedure?</b></span></div>
<div class="MsoNormal">
<span style="font-size: small;">Store Procedure is a group of Transact-SQL Statements compiled
into single execution plan. (This definition from Microsoft MSDN refers to
bellow link).</span></div>
<div class="MsoNormal">
<span style="font-size: small;"> In stored procedure
you can return your output in many forms you can return it as output
parameters, or result set.</span></div>
<div class="MsoNormal">
<span style="font-size: small;"><a href="http://msdn.microsoft.com/en-us/library/aa174792%28v=sql.80%29.aspx">http://msdn.microsoft.com/en-us/library/aa174792%28v=sql.80%29.aspx</a></span></div>
<div class="MsoNormal">
<span style="font-size: small;">Consider this example</span></div>
<div align="center">
<table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="border-collapse: collapse; border: medium none;">
<tbody>
<tr>
<td style="border: 1pt solid windowtext; padding: 0in 5.4pt; width: 71.4pt;" valign="top" width="95"><div class="MsoNormal" style="line-height: normal; margin-bottom: 0.0001pt;">
<span style="font-size: small;"><b>Employee</b></span></div>
</td>
<td style="-moz-border-bottom-colors: none; -moz-border-image: none; -moz-border-left-colors: none; -moz-border-right-colors: none; -moz-border-top-colors: none; border-color: windowtext windowtext windowtext -moz-use-text-color; border-style: solid solid solid none; border-width: 1pt 1pt 1pt medium; padding: 0in 5.4pt; width: 44.2pt;" valign="top" width="59"><div class="MsoNormal" style="line-height: normal; margin-bottom: 0.0001pt;">
<span style="font-size: small;"><b>Salary</b></span></div>
</td>
</tr>
<tr>
<td style="-moz-border-bottom-colors: none; -moz-border-image: none; -moz-border-left-colors: none; -moz-border-right-colors: none; -moz-border-top-colors: none; border-color: -moz-use-text-color windowtext windowtext; border-right: 1pt solid windowtext; border-style: none solid solid; border-width: medium 1pt 1pt; padding: 0in 5.4pt; width: 71.4pt;" valign="top" width="95"><div class="MsoNormal" style="line-height: normal; margin-bottom: 0.0001pt;">
<span style="font-size: small;">Ahmed</span></div>
</td>
<td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; padding: 0in 5.4pt; width: 44.2pt;" valign="top" width="59"><div class="MsoNormal" style="line-height: normal; margin-bottom: 0.0001pt;">
<span style="font-size: small;">4000</span></div>
</td>
</tr>
<tr>
<td style="-moz-border-bottom-colors: none; -moz-border-image: none; -moz-border-left-colors: none; -moz-border-right-colors: none; -moz-border-top-colors: none; border-color: -moz-use-text-color windowtext windowtext; border-right: 1pt solid windowtext; border-style: none solid solid; border-width: medium 1pt 1pt; padding: 0in 5.4pt; width: 71.4pt;" valign="top" width="95"><div class="MsoNormal" style="line-height: normal; margin-bottom: 0.0001pt;">
<span style="font-size: small;">Mohammed</span></div>
</td>
<td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; padding: 0in 5.4pt; width: 44.2pt;" valign="top" width="59"><div class="MsoNormal" style="line-height: normal; margin-bottom: 0.0001pt;">
<span style="font-size: small;">10000</span></div>
</td>
</tr>
<tr>
<td style="-moz-border-bottom-colors: none; -moz-border-image: none; -moz-border-left-colors: none; -moz-border-right-colors: none; -moz-border-top-colors: none; border-color: -moz-use-text-color windowtext windowtext; border-right: 1pt solid windowtext; border-style: none solid solid; border-width: medium 1pt 1pt; padding: 0in 5.4pt; width: 71.4pt;" valign="top" width="95"><div class="MsoNormal" style="line-height: normal; margin-bottom: 0.0001pt;">
<span style="font-size: small;">Ali</span></div>
</td>
<td style="border-color: -moz-use-text-color windowtext windowtext -moz-use-text-color; border-style: none solid solid none; border-width: medium 1pt 1pt medium; padding: 0in 5.4pt; width: 44.2pt;" valign="top" width="59"><div class="MsoNormal" style="line-height: normal; margin-bottom: 0.0001pt;">
<span style="font-size: small;">8000</span></div>
</td>
</tr>
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<div class="MsoNormal">
<span style="font-size: small;">If I want to return the maximum salary I can return it as
output parameter or result set:</span></div>
<div class="MsoNormal">
<span style="font-size: small;">Output Parameter:</span></div>
<div class="MsoNormal" style="font-family: "Courier New",Courier,monospace;">
<span style="font-size: small;">CREATE PROCEDURE procName</span></div>
<div class="MsoNormal" style="font-family: "Courier New",Courier,monospace;">
<span style="font-size: small;">@maxSalary INT OUTPUT</span></div>
<div class="MsoNormal" style="font-family: "Courier New",Courier,monospace;">
<span style="font-size: small;">AS</span></div>
<div class="MsoNormal" style="font-family: "Courier New",Courier,monospace;">
<span style="font-size: small;">BEGIN</span></div>
<div class="MsoNormal" style="font-family: "Courier New",Courier,monospace;">
<span style="font-size: small;"> SELECT
@maxSalary = MAX(Salary) </span></div>
<div class="MsoNormal" style="font-family: "Courier New",Courier,monospace; text-indent: 0.5in;">
<span style="font-size: small;">FROM TableName</span></div>
<div class="MsoNormal" style="font-family: "Courier New",Courier,monospace; text-indent: 0.5in;">
<span style="font-size: small;">RETURN @maxSalary</span></div>
<div class="MsoNormal" style="font-family: "Courier New",Courier,monospace;">
<span style="font-size: small;">END</span></div>
<div class="MsoNormal" style="font-family: "Courier New",Courier,monospace;">
<span style="font-size: small;">Result Set:</span></div>
<div class="MsoNormal" style="font-family: "Courier New",Courier,monospace;">
<span style="font-size: small;">CREATE PROCEDURE procName</span></div>
<div class="MsoNormal" style="font-family: "Courier New",Courier,monospace;">
<span style="font-size: small;">AS</span></div>
<div class="MsoNormal" style="font-family: "Courier New",Courier,monospace;">
<span style="font-size: small;">BEGIN</span></div>
<div class="MsoNormal" style="font-family: "Courier New",Courier,monospace;">
<span style="font-size: small;">SELECT Employee, MAX(Salary) </span></div>
<div class="MsoNormal" style="font-family: "Courier New",Courier,monospace;">
<span style="font-size: small;">From TableName</span></div>
<div class="MsoNormal" style="font-family: "Courier New",Courier,monospace;">
<span style="font-size: small;">END</span></div>
<div class="MsoNormal">
<span style="font-size: small;">For more information refer to: <a href="http://msdn.microsoft.com/en-us/library/aa174792%28v=sql.80%29.aspx">http://msdn.microsoft.com/en-us/library/aa174792%28v=sql.80%29.aspx</a></span>
</div>
<div class="MsoNormal">
<span style="font-size: small;">Some examples are more complicated and in this case I like
using stored procedure. Think about when you have logic and you may use
variables and constants to calculate some value.</span></div>
<div class="MsoNormal">
<span style="font-size: small;">Here are points that I think it better to use Store
Procedure and use it in your program instead of using select command.</span></div>
<div class="MsoListParagraphCxSpFirst" style="text-indent: -0.25in;">
<span style="font-size: small;"><span style="font-family: Symbol;">·<span style="-moz-font-feature-settings: normal; -moz-font-language-override: normal; font-family: "Times New Roman"; font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">
</span></span><span dir="LTR"></span>To prevent SQL Injection
use stored procedure. <a href="http://elmozamil.blogspot.com/2011/12/normal-0-false-false-false-en-my-x-none.html">http://elmozamil.blogspot.com/2011/12/normal-0-false-false-false-en-my-x-none.html</a>.
Stored procedure use variable and the size of the variable this will truncate any
additional data send to your database. For example if you ask your user about
user name and password, if he entered (‘ OR 1 > 0; --) in input text for
user name then he will grant login to user system; I hope to read the post
about SQL Injection and watch videos.</span></div>
<div class="MsoListParagraphCxSpMiddle" style="text-indent: -0.25in;">
<span style="font-size: small;"><span style="font-family: Symbol;">·<span style="-moz-font-feature-settings: normal; -moz-font-language-override: normal; font-family: "Times New Roman"; font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">
</span></span><span dir="LTR"></span>In one of my work I used
constant to ensure that I count for 24 month (2 Year), for some reasons we want
to change it to 13 month (1 Year and one month), this constant is used in many
places in the business logic, after we change the constant in many places we
forget others, and there the disaster appear. I sure that if I use it as
variable it may help. But my point is if you have variable in your business
logic say <b><i>work hour = 8 hour per day, workdays = 6 day per week</i></b>
if you use this on your application or you client application if your manager
e-mailed and said <b><i>Hi, I want to tell you that our working hours become
nine per day and five days per week please change it in your system</i></b> consider
this is a simple example you may solve it by using variables and your admin
user change it. <b>If your logic in stored procedure simple you can go to your
stored procedure change you parameter from 8 to 9 and from 6 to five, test your
procedure then your change has been reflected to all your 100000 users. But if
the your constant in your application you must view the code change, test,
publish, install the new version, and the bad thing if the constant on your
client have fun you want to install your client application on 100000.</b></span></div>
<div class="MsoListParagraphCxSpLast" style="text-indent: -0.25in;">
<span style="font-size: small;"><span style="font-family: Symbol;">·<span style="-moz-font-feature-settings: normal; -moz-font-language-override: normal; font-family: "Times New Roman"; font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">
</span></span><span dir="LTR"></span>Stored procedure make
separation in your application, you may said there is <b>application layer</b>
where your ASP or C# application and there is the <b>business layer</b> where
your login in your stored procedure and there is the <b>database layers</b>
your tables and views.</span></div>
<div class="MsoNormal">
<span style="font-size: small;">I post this topic to share my experience
with you, and help you avoid what mistake I did in my life, when you are fresh graduate student and all
you remember about how to create system is that you have to create your tables,
create your interface, pass values to tables, it is not your problem if the
business change. Simply I will did system for you to meet your current business
need, it is not my problem if tomorrow you change simple needs work hour from 8
to 9 or so on, I am talking about simple changes that may be fixed in your
logic not all the logic change.</span></div>
<div class="MsoNormal">
<span style="font-size: small;"><b>Note: if you want to create a
database application do not think about current state only, you must take in
your consideration what if, do not change the requirement given by customer,
try to avoid using constant values, ever thing you do must be easy to change.</b></span></div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
<span style="font-size: small;">I hope this post is helpful.</span></div>
<div class="MsoNormal">
<span style="font-size: small;">I really enjoyed when I am
writing it, I hope you to add more about stored procedure and database
application (share your experience – knowledge – with me).</span></div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
<span style="font-size: small;">Written by: Elmozamil Elamir</span></div>
</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com0tag:blogger.com,1999:blog-612598008485126478.post-19792725792314438642011-12-23T13:16:00.000-08:002015-01-28T02:34:32.458-08:00SQL Injection<div dir="ltr" style="text-align: left;" trbidi="on">
<div>
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><br /></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><b><i><u><span lang="EN-US" style="line-height: 115%;">This post is intended for learning
purpose in a topic of PenTest and how to avoid bad user input to protect your
site, system from begin misused.</span></u></i></b></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><b><span lang="EN-US">SQL
Injection:</span></b></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">SQL
Injection is most popular SQL vulnerability that used to attack SQL database,
this attack may affect the hosting operating system. When user gains access to
your database, he tries to escalate his privilege to gain administration
permission.</span></span></span><br />
<a name='more'></a></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">If the user
gains administration permission on your database management system, then he
will try to execute systems command that allowed by your DBMS and then try to
create/escalate his user permission and get administration permission on your
server, think about what he can do with administration permission on your
server … <b><i>simply he own your server not you</i></b>.</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">In this
post I will introduce you through basic SQL Injection concepts and I will makes
some hands on to show you how it is simple to do it. (<b><i>Notice this post
for how to prevent yourself from those types of attack no to try it to gain
access on others system, try it on your own systems or authorized system</i></b>)</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">Conceder
those queries (SQL SERVER):</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">Select *
From users WHERE user name = ‘user’ AND password = ‘password’;</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">When this
query executed on SSMS it will return all user data when user name is user and
password is password, but if we have web page and want to authenticate users we
will ask any user to provide us with those information.</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">If we use
ASP.Net for example the Query String will be as:</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">user
textbox component to enter username, password textbox component to enter
password.</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">You can
watch my demo on youtube </span><a href="http://www.youtube.com/watch?v=ylYXeuNxzYQ&feature=youtu.be">http://www.youtube.com/watch?v=ylYXeuNxzYQ&feature=youtu.be</a>
and</span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><a href="http://www.youtube.com/watch?v=cBqJJKxOWFw&feature=youtu.be"><span lang="EN-US">http://www.youtube.com/watch?v=cBqJJKxOWFw&feature=youtu.be</span></a></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">QueryString
= “SELECT * FROM users WHERE username = ‘ ” + user.text + “ ‘ AND password = ‘
“ + password.text + “ ’ “.</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">When user
enter valid input (e.g username = user, password = password) then the query
send to SQL server database will be</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">SELECT *
FROM users WHERE username = ‘user’ AND password = ‘password’</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><b><i><u><span lang="EN-US">BUT
if user enter this information (‘ OR 1 = 1; --, anything)</span></u></i></b><span lang="EN-US"> then the query will be:</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">SELECT *
FROM users WHERE username = ‘ ‘ OR 1 = 1 ; -- AND password = ‘anything’;</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">Then the
user will get access to our database because the system will return all user
table (Consider always 1 = 1 (this is the trick)) and the query will escape the
rest of statement because it is commented using ( -- those dashes used as for
comments in SQL Server ) . </span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">Consider
those examples where user not only access the system but he do malicious things
like delete, update or even insert data.</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><b><i><span lang="EN-US">IF
user execute these query he will get all tables on the database</span></i></b></span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: 0cm;">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US" style="font-family: "Courier New";">SELECT</span><span lang="EN-US" style="font-family: "Courier New";">*</span><span lang="EN-US" style="font-family: "Courier New";">FROM</span><span lang="EN-US" style="font-family: "Courier New";">information_schema</span><span lang="EN-US" style="font-family: "Courier New";">.</span><span lang="EN-US" style="font-family: "Courier New";">tables (SQL Server 2008)</span></span></span></div>
<div class="MsoNormal" style="line-height: normal; margin-bottom: 0cm;">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><br /></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US" style="font-family: "Courier New"; line-height: 115%;">SELECT</span><span lang="EN-US" style="font-family: "Courier New"; line-height: 115%;">*</span><span lang="EN-US" style="font-family: "Courier New"; line-height: 115%;">FROM</span><span lang="EN-US" style="font-family: "Courier New"; line-height: 115%;">sysobjects</span><span lang="EN-US" style="font-family: "Courier New"; line-height: 115%;">WHERE</span><span lang="EN-US" style="font-family: "Courier New"; line-height: 115%;"> xtype='U' (SQL Server 2000)</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">When he get
a list of all user table in the database he can do anything</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><b><i><span lang="EN-US">DELETE
all user from user table (That means no one (from whom on user table) will
access the system <u>the business will stop</u>)</span></i></b></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">If he enter
username = ‘ OR 1 = 1; Delete users -- </span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">Password =
anything</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">SELECT *
FROM users WHERE username = ‘ ‘ OR 1 = 1 ; Delete users -- AND password =
‘anything’;</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">Now the
user table is empty.</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><b><i><span lang="EN-US">He
can insert new user</span></i></b></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">Username =
‘ OR 1 = 1; Insert into users (username, password) values (‘new’, ‘new’); --</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">Password =
anything</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">SELECT *
FROM users WHERE username = ‘ ‘ OR 1 = 1 ; -- AND password = ‘anything’;</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">And many
more, to see more watch demo on </span><a href="http://www.youtube.com/watch?v=cBqJJKxOWFw&feature=youtu.be">http://www.youtube.com/watch?v=cBqJJKxOWFw&feature=youtu.be</a>
and</span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><a href="http://www.youtube.com/watch?v=ylYXeuNxzYQ&feature=youtu.be">http://www.youtube.com/watch?v=ylYXeuNxzYQ&feature=youtu.be</a></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">Think about
those queries:</span></span></span></div>
<pre><span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US" style="font-family: "Calibri","sans-serif";">you can pass operating system commands using master.dbo.xp_cmdshell</span></span></span></pre>
<pre><span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US" style="font-family: "Calibri","sans-serif";">e.g. </span></span></span></pre>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">username =
‘ OR 1 = 1; EXEC master.dbo.xp_cmdshell ‘net user (newuser) / ADD’ --;</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">password =
anthing.</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">Xp_cmdshell
is disable by default (we will talk about this later).</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">Now you
have user on the local system (what else that is amazing).</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">You can
shut down database any more.</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><b><span lang="EN-US">Countermeasure:</span></b></span></span></div>
<div class="MsoListParagraphCxSpFirst" style="text-indent: -18pt;">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US" style="font-family: Symbol;">·<span style="-moz-font-feature-settings: normal; -moz-font-language-override: normal; font-family: "Times New Roman"; font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">
</span></span><span lang="EN-US">Disable any feature that provided by your DBMS
you didn’t use. e.g. xp_cmdshell in the previous example you see how it is
malicious. You DBMS must be will configured, attackers always exploits you by
using your bad configuration.</span></span></span></div>
<div class="MsoListParagraphCxSpMiddle" style="text-indent: -18pt;">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US" style="font-family: Symbol;">·<span style="-moz-font-feature-settings: normal; -moz-font-language-override: normal; font-family: "Times New Roman"; font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">
</span></span><span lang="EN-US">Least privilege, every user in your database
must provide a minimum permission to complete his tasks. If your user is a
reporting user he must gain read permission so the above exploits for delete,
insert, and update will not happen.</span></span></span></div>
<div class="MsoListParagraphCxSpMiddle" style="text-indent: -18pt;">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US" style="font-family: Symbol;">·<span style="-moz-font-feature-settings: normal; -moz-font-language-override: normal; font-family: "Times New Roman"; font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">
</span></span><span lang="EN-US">Validate user input, this is very important you
have to check if your user enter valid or invalid input and take action
according to the input.</span></span></span></div>
<div class="MsoListParagraphCxSpMiddle" style="text-indent: -18pt;">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US" style="font-family: Symbol;">·<span style="-moz-font-feature-settings: normal; -moz-font-language-override: normal; font-family: "Times New Roman"; font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">
</span></span><span lang="EN-US">Always, if there is an error occurred you must
provide custom error message, do not let SQL server provide error messages for
your end user he may use this error message badly. Try … catch exception always
help.</span></span></span></div>
<div class="MsoListParagraphCxSpMiddle" style="text-indent: -18pt;">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US" style="font-family: Symbol;">·<span style="-moz-font-feature-settings: normal; -moz-font-language-override: normal; font-family: "Times New Roman"; font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">
</span></span><span lang="EN-US">Use database abstraction (refer to my post </span><a href="http://elmozamil.blogspot.com/"><span lang="EN-US">http://elmozamil.blogspot.com</span></a><span lang="EN-US">on about database), you must try to use view
level if it possible so the users have no access on database objects except the
specified views.</span></span></span></div>
<div class="MsoListParagraphCxSpMiddle" style="text-indent: -18pt;">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US" style="font-family: Symbol;">·<span style="-moz-font-feature-settings: normal; -moz-font-language-override: normal; font-family: "Times New Roman"; font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">
</span></span><span lang="EN-US">Use stored procedure and give the user
permission on store procedure to update, and insert, delete, and select. I
think you must use stored procedure for every database manipulation when you
ask users about input. Stored procedure use parameters and it manipulate those
parameter as the data type declared, and it limit the user will the size of the
parameter. If the user name must be 10 character the SP will get the first 10
character if users insert more.</span></span></span></div>
<div class="MsoListParagraphCxSpMiddle" style="text-indent: -18pt;">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US" style="font-family: Symbol;">·<span style="-moz-font-feature-settings: normal; -moz-font-language-override: normal; font-family: "Times New Roman"; font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">
</span></span><span lang="EN-US">Use parameterized SQL command. </span></span></span></div>
<div class="MsoListParagraphCxSpLast" style="text-indent: -18pt;">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US" style="font-family: Symbol;">·<span style="-moz-font-feature-settings: normal; -moz-font-language-override: normal; font-family: "Times New Roman"; font-size-adjust: none; font-stretch: normal; font-style: normal; font-variant: normal; font-weight: normal; line-height: normal;">
</span></span><span lang="EN-US">Always know Google is your best friend, Google
and you will get more.</span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">I hope you
enjoy. </span></span></span></div>
<div class="MsoNormal">
<span style="background-color: white; font-size: small;"><span style="color: #444444;"><span lang="EN-US">In the demo
I will exploit SQL server and MYSQL databases and gain permission on the
hosting operating system.</span></span></span></div>
<div class="MsoNormal" style="background-color: #444444; color: #f3f3f3;">
<span lang="EN-US" style="font-size: small;"><span style="background-color: white;"><span style="color: #444444;">Written by:
Elmozamil Elamir Hamid</span></span><a href="http://www.blogger.com/blogger.g?blogID=612598008485126478" name="_GoBack"></a></span></div>
</div>
Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com0tag:blogger.com,1999:blog-612598008485126478.post-21849008248902875702011-12-22T00:16:00.000-08:002011-12-22T01:25:40.533-08:00الإخلاص في العمل<div dir="ltr" style="text-align: left;" trbidi="on">
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<span style="font-family: Tahoma; font-size: small;"><span id="tafseer0"><b><span style="font-family: Arabic Transparent;">وعن </span></b><span style="font-family: Arabic Transparent;"> <b><span style="font-family: Arabic Transparent;">أنس بن مالك </span></b> </span><b><span style="font-family: Arabic Transparent;">قال : قال رسول الله - صلى الله عليه وسلم - : </span></b><b><span style="font-family: Arabic Transparent;"> " </span></b><span style="font-family: Arabic Transparent;"><b><span style="font-family: Arabic Transparent;">إذا كان آخر الزمان صارت أمتي ثلاث فرق </span></b></span><b><span style="font-family: Arabic Transparent;"> : </span></b><b><span style="font-family: Arabic Transparent;">فرقة يعبدون الله خالصا ، وفرقة يعبدون الله رياء ، وفرقة يعبدون الله ليستأكلوا به الناس ، فإذا جمع</span></b><b><span style="font-family: Arabic Transparent;">هم الله يوم القيامة قال للذي كان يستأكل الناس : بعزتي وجلالي ما أردت بعبادتي ؟ فيقول : وعزتك وجلال</span></b><b><span style="font-family: Arabic Transparent;">ك أستأكل به الناس . قال : لم ينفعك ما جمعت شيئا تلجأ إليه ، انطلقوا به إلى النار . ثم يقول للذي كان يع</span></b><b><span style="font-family: Arabic Transparent;">بد رياء : بعزتي وجلالي ، ما أردت بعبادتي ؟ قال : </span></b><b><span style="font-family: Arabic Transparent;">بعزتك وجلالك رياء الناس ، قال : لم يصعد إلي منه شيء ، انطلقوا به إلى النار . ثم يقول للذي كان يعبده</span></b><b><span style="font-family: Arabic Transparent;"> خالصا : بعزتي وجلالي ما أردت بعبادتي ؟ قال : بعزتك وجلالك ، أنت أعلم بذلك مني ، أردت به ذكرك ووجهك</span></b><b><span style="font-family: Arabic Transparent;"> ، قال : صدق عبدي ، انطلقوا به إلى الجنة " </span></b><b><span style="font-family: Arabic Transparent;"> . </span></b></span></span></div>
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<span style="font-family: Tahoma; font-size: small;"><span id="tafseer0"><b><span style="font-family: Arabic Transparent;"> </span></b><b><span style="font-family: Arabic Transparent;">رواه </span></b><span style="font-family: Arabic Transparent;"> <b><span style="font-family: Arabic Transparent;">الطبراني</span></b></span><b><span style="font-family: Arabic Transparent;"><br /></span></b></span></span></div>
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<span style="font-family: Tahoma; font-size: small;"><span id="tafseer0"><b><span style="font-family: Arabic Transparent;">خلق المسلم - محمد الغزالي </span></b></span></span></div>
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</div>Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com0tag:blogger.com,1999:blog-612598008485126478.post-51490451578041731912011-12-20T06:01:00.001-08:002011-12-22T01:26:03.376-08:00حسن الخلق<div dir="ltr" style="text-align: left;" trbidi="on">
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<span style="font-family: Tahoma; font-size: small;"><b><span style="font-family: Arabic Transparent;">عن عائشة رضي الله عنها قالت قال رسول االله صلى الله عليه وسلم (إن المؤمن ليدرك بحسن الخلق درجات قائم الليل وصائم النهار)</span></b></span></div>
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<span style="font-family: Tahoma; font-size: small;"><span style="font-family: Arabic Transparent;"><span style="font-family: Times New Roman;">كتاب خلق المسلم محمد الغزالي * أبو داود</span></span></span></div>
</div>Anonymoushttp://www.blogger.com/profile/15301281764036087283noreply@blogger.com4tag:blogger.com,1999:blog-612598008485126478.post-44973283120460493492011-12-20T05:57:00.000-08:002015-01-28T02:34:18.143-08:00Database and Database Management Systems<div dir="ltr" style="text-align: left;" trbidi="on">
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Database and Database Management System</h2>
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There are many books written about Database and Database Management System, in this post I will try to provide overview of database and DBMS.</div>
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This post is a very brief on the field of Database and Database Management Systems, so I strongly <br />
<a name='more'></a>recommend reading books about DBMS and DB. This post will provide you with basic concepts.<br />
Enjoy ):<br />
<b>What is Database (DB):</b><br />
Is a set of related data organized in form that makes it easy to handle.<br />
<b>What is Database Management Systems (DBMS):</b><br />
It is collection of programs to manage, access the database, and provide consistency, safety, efficiency, and durability.<br />
It provides a way to store and retrieve database information in efficient and reliable way.<br />
DBMS uses to provide multiple users, and manage the database when you insert the data to a table. DBMS is responsible of how this data must be inserted, so it manages memory, and operation.<br />
<b>Transaction</b>: Transaction is a set of actions. for example when some person want to transfer money to another there are many actions.<br />
Action #1: Deduct the amount to be transfered from person number one.<br />
Action #2: Increase the amount of the second person by the deducted amount from person one.<br />
<b>ACID:</b><br />
<b>Atomicity:</b> either all actions of transactions reflected at all or none for all.<br />
That means if we have those transactions:<br />
If account number 111 wants to transfer 5000 to account 222. For this operation if we reflect the deduction only (Execute the first action) there is a problem and vice versa, so we have to reflect it all or none at all.<br />
T1: Action #1: deduct from account number = 111 amount of 5000.<br />
T1:Action #2: update the amount of account number = 222 to become old amount + 5000.<br />
Commit.<br />
Consistency: that means the database must be consistent, if we reflect a transaction we must ensure that transaction doesn’t affect the consistency of the database.<br />
Isolation: if there are many transaction executed concurrently, the same order we execute those transactions must ensure that the final result in which transaction executed doesn’t affect other transaction.<br />
If there are two users work on same table each of them update the table the DBMS must ensure that the result must be done as if we execute them in a serial order.<br />
If x = 36;<br />
User one:<br />
T1: Action #1: Read x.<br />
T1: Action #2 update x = x + 50;<br />
User two:<br />
T2 Action #1: Read x.<br />
T2 Action #2: Update y = y * 1.34.<br />
If these transactions executed in serial order there is no problem.<br />
<i>First scenario</i>: user one start and finish before user two.<br />
User one gets that:<br />
y = 36 and after update y = 36 + 50 = 86.<br />
User two get that:<br />
y = 86 and after update y = 86 * 1.34 = 115.24<br />
This result is acceptable if user one commit his change.<br />
If user one doesn’t commit his change then user two update his data base on dirty data (y = 86) but he must update his data based on (y = 36)<br />
<i>Second scenario</i>: user one and user two start at the same time but user one finish before user two.<br />
User one gets that: y = 36.<br />
User two get that: y = 36.<br />
User one get y = 36 + 50 = 86.<br />
User two get y = 36 * 1.34 = 48.24<br />
So user two overwrite user’s one result.<br />
<i>Third scenario</i>: user one and user tow start at the same time but user two finish before user one.<br />
User one gets that: y = 36.<br />
User two get that: y = 36.<br />
User two get y = 36 * 1.34 = 48.24<br />
User one get y = 36 + 50 = 86.<br />
So user one overwrite user user’s two result.<br />
And you think about many scenarios for a lot of transaction.<br />
There is mechanism that DBMS use to ensure this it use locking (For more information read about DBMS). The basic idea is that when user one read y he get <b><i>shared lock </i></b>(S) any other user want to read y he get this shared object (<b><i>The share object can be obtained for any number of user while there is no exclusive share on that object</i></b>). When user one want to update x he must get <b><i>exclusive lock</i></b> (X) this lock is not shared with any other user, if user one and user two get <b><i>shared lock</i></b> on y when user two try to get exclusive lock on y (he must wait until user two release the lock).<br />
So the transactions must be done as below:<br />
User 1:<br />
Get shared (S) on y, y = 36.<br />
Get exclusive lock on y, y = 36 + 50 = 86;<br />
Release the lock.<br />
User 2:<br />
Get shared (S) on y, y = 86.<br />
Get exclusive lock on y, y = 86 * 1.34 = 115.4<br />
Release lock.<br />
User one in this case = T1, User two = T2.<br />
* User may issue many transaction.<br />
But suppose that user two start before user one, that means when user two get shared lock on y he read y = 36. <b><i>Try to get the rest of calculation.</i></b><br />
Please try to read any book about DBMS to get knowledge about the lock mechanism and types of locks and other important concepts related to locking.<br />
<b>Durability:</b> after data written successfully the DBMS must ensure the data are available even with system failure.<br />
If user commit his transaction and after that system crash happen, DBMS must redo the transaction and ensure is reflected to user when he search about it.<br />
<b>Data Abstraction:</b><br />
Physical Level: it is complex level about how data are actually stored. It has complex data structure.<br />
Logical Level: it represents data in logical form in form of relation, tables.<br />
View Level: it represents sub set of database.<br />
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<img alt="Data Abstraction" class="size-medium wp-image-23 aligncenter" src="http://elmozamil.files.wordpress.com/2011/12/dataabstraction1.png?w=300&h=174" height="174" title="Data Abstraction" width="300" /><br />
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Figure 1.1 Data abstraction</div>
Famous Database Management System (DBMS) Software Available:<br />
<ul>
<li>Oracle.</li>
<li>SQL Server.</li>
<li>MySQL.</li>
<li>SQLLite.</li>
<li>PostgresSQL.</li>
<li>and many Others.</li>
</ul>
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<br />
<i>Written by: Elmozamil Elamir Hamid Elamir.</i></div>
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