Microsoft KB Archive/826906

= FIX: A query that uses a view that contains a correlated subquery and an aggregate runs slowly =

Article ID: 826906

Article Last Modified on 11/2/2007

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APPLIES TO


 * Microsoft SQL Server 2000 Personal Edition
 * Microsoft SQL Server 2000 Developer Edition
 * Microsoft SQL Server 2000 Standard Edition
 * Microsoft SQL Server 2000 Enterprise Edition
 * Microsoft SQL Server 2000 Enterprise Edition
 * Microsoft SQL Server 2000 Workgroup Edition
 * Microsoft SQL Server 2000 Desktop Engine (Windows)
 * Microsoft SQL Server 2000 Developer Edition
 * Microsoft SQL Server 2000 Enterprise Edition 64-bit

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SYMPTOMS
A query may run slowly if it references a view that contains a correlated subquery with an aggregate.



Hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft SQL Server 2000 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

File information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

SQL Server 2000 Service Pack 3/3a
  Date         Time   Version         Size             File name --  31-May-2003  18:45  2000.80.818.0      78,400 bytes  Console.exe 25-Jun-2003 01:01  2000.80.818.0      33,340 bytes  Dbmslpcn.dll 25-Apr-2003 02:12                    786,432 bytes  Distmdl.ldf 25-Apr-2003 02:12                  2,359,296 bytes  Distmdl.mdf 30-Jan-2003 01:55                        180 bytes  Drop_repl_hotfix.sql 23-Jun-2003 22:40  2000.80.837.0   1,557,052 bytes  Dtsui.dll 23-Jun-2003 22:40  2000.80.837.0     639,552 bytes  Dtswiz.dll 24-Apr-2003 02:51                    747,927 bytes  Instdist.sql 03-May-2003 01:56                      1,581 bytes  Inst_repl_hotfix.sql 08-Feb-2003 06:40  2000.80.765.0      90,692 bytes  Msgprox.dll 01-Apr-2003 02:07                      1,873 bytes  Odsole.sql 05-Apr-2003 01:46  2000.80.800.0      62,024 bytes  Odsole70.dll 07-May-2003 20:41  2000.80.819.0      25,144 bytes  Opends60.dll 02-Apr-2003 21:48  2000.80.796.0      57,904 bytes  Osql.exe 02-Apr-2003 23:15  2000.80.797.0     279,104 bytes  Pfutil80.dll 04-Aug-2003 18:17                    550,780 bytes  Procsyst.sql 22-May-2003 22:57                     19,195 bytes  Qfe469571.sql 11-Jul-2003 17:04                  1,084,147 bytes  Replmerg.sql 04-Apr-2003 21:53  2000.80.798.0     221,768 bytes  Replprov.dll 08-Feb-2003 06:40  2000.80.765.0     307,784 bytes  Replrec.dll 11-Jul-2003 16:56                  1,085,925 bytes  Replsys.sql 29-Jul-2003 20:13  2000.80.819.0     492,096 bytes  Semobj.dll 31-May-2003 18:27  2000.80.818.0     172,032 bytes  Semobj.rll 05-Aug-2003 21:06                    127,884 bytes  Sp3_serv_uni.sql 01-Jun-2003 01:01  2000.80.818.0   4,215,360 bytes  Sqldmo.dll 07-Apr-2003 17:44                     25,172 bytes  Sqldumper.exe 19-Mar-2003 18:20  2000.80.789.0      28,672 bytes  Sqlevn70.rll 02-Jul-2003 00:18  2000.80.834.0     180,736 bytes  Sqlmap70.dll 08-Feb-2003 06:40  2000.80.765.0      57,920 bytes  Sqlrepss.dll 07-Aug-2003 19:11  2000.80.850.0   7,598,164 bytes  Sqlservr.exe 25-Jul-2003 21:44  2000.80.845.0     590,396 bytes  Sqlsort.dll 08-Feb-2003 06:40  2000.80.765.0      45,644 bytes  Sqlvdi.dll 25-Jun-2003 01:01  2000.80.818.0      33,340 bytes  Ssmslpcn.dll 01-Jun-2003 01:01  2000.80.818.0      82,492 bytes  Ssnetlib.dll 01-Jun-2003 01:01  2000.80.818.0      25,148 bytes  Ssnmpn70.dll 01-Jun-2003 01:01  2000.80.818.0     158,240 bytes  Svrnetcn.dll 31-May-2003 18:59  2000.80.818.0      76,416 bytes  Svrnetcn.exe 30-Apr-2003 23:52  2000.80.816.0      45,132 bytes  Ums.dll 02-Jul-2003 00:19  2000.80.834.0      98,816 bytes  Xpweb70.dll

SQL Server 2000 Service Pack 4 - 32-bit versions
  Date         Time   Version            Size    File name --  06-Jun-2005  22:46  8.11.50523.0      239,104  Mssdi98.dll 23-Jun-2005 19:04  2000.80.2145.0    430,080  Pfclnt80.dll 17-Jun-2005 00:15                    552,068  Procsyst.sql 17-Jun-2005 00:15                     18,810  Sp4_serv_qfe.sql 23-Jun-2005 02:51  2000.80.2145.0    118,784  Sqldiag.exe 23-Jun-2005 01:43  2000.80.2145.0    102,400  Sqlfth75.dll 23-Jun-2005 03:26  2000.80.2145.0  9,654,272  Sqlservr.exe

Note Because of file dependencies, the most recent hotfix or feature that contains these files may also contain additional files.

Note This hotfix is not included with Microsoft SQL Server 2000 Service Pack 4 (SP4).



WORKAROUND
To work around this problem, rewrite the query by using the base tables of the view instead of by referencing the view itself.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For more information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Keywords: kbbug kbfix kbqfe kbsqlserv2000presp4fix kbhotfixserver KB826906

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