Microsoft KB Archive/884864

= FIX: You may receive incorrect results when you run a query in SQL Server 2000 =

Article ID: 884864

Article Last Modified on 6/1/2006

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APPLIES TO


 * Microsoft SQL Server 2000 Standard Edition

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Bug #: 472168 (SQL Server 8.0)



''Microsoft SQL Server 2000 fixes are distributed as one downloadable file. Because the fixes are cumulative, each new release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2000 fix release.''



Article contents

 * Summary
 * Introduction
 * Resolution
 * Hotfix information
 * Prerequisites
 * Restart information
 * Registry information
 * Hotfix file information
 * Status
 * More information



SUMMARY
This article describes the following about this hotfix release:
 * The issues that are fixed by this hotfix package.
 * The prerequisites for installing the hotfix package.
 * Whether you must restart your computer after you install the hotfix package.
 * Whether the hotfix package is replaced by any other hotfix package.
 * Whether you must make any registry changes.
 * The files that are contained in the hotfix package.

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Introduction
When you run a query against a SQL Server 2000 database, you may receive incorrect results when SQL Server 2000 uses loop joins in the execution plan. For additional information about a list of all publicly released SQL Server 2000 Post-Service Pack 3a hotfixes, click the following article number to view the article in the Microsoft Knowledge Base:

810185 SQL Server 2000 hotfix update for SQL Server 2000 Service Pack 3 and 3a

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CAUSE
This problem occurs when the execution plan that SQL Server 2000 chooses uses a multi-parent spool that has the primary and the secondary spools on the inner side of a nested loop join. The following sample code shows the structure of an execution plan for a query that encounters this problem. Rows   Executes            StmtText 0  1                         |--Nested Loops(Inner Join, OUTER REFERENCES:([p1].[MEETING_ID1044])) 231 1                             |--Outer input table plan (this may vary) 0  231                            |--Inner input table plan (this may vary) 0  231                                      |--Join (Join type may vary) 2  231                                           |--Primary side of join (this may vary) 101 231                                          |              |--Sort(…) 780 232                                          |                   |--Table Spool 0  231                                           |--Secondary side of join (this may vary) 0  231                                                     |--Sort(…) 780 232                                                         |--Table Spool



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.

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Prerequisites
This hotfix requires SQL Server 2000 Service Pack 3 (SP3). For additional information about how to obtain the latest SQL Server 2000 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

290211 How to obtain the latest SQL Server 2000 service pack

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Restart information
You do not have to restart your computer after you apply this hotfix.

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Registry information
You do not have to change the registry after you apply this hotfix.

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Hotfix file information
This hotfix contains only those files that are required to correct the issues that this article lists. This hotfix may not contain of all the files that you must have to fully update a product to the latest build.

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.   Date         Time   Version            Size    File name -  18-Aug-2004  20:03                      6,418  Hotfix1.inf 18-Aug-2004 17:09                      2,523  Hotfix2.inf 14-Oct-2003 19:34  8.0.21213.0       352,256  Msvcr71.dll 14-Oct-2003 19:34  2000.80.796.0      57,904  Osql.exe 14-Oct-2003 19:34  2000.80.534.0     127,548  Sqdedev.dll 14-Oct-2003 19:34  2000.80.194.0     180,290  Sqlunirl.dll 17-Aug-2004 23:55  2000.80.970.0     664,128  Autoplt.dll 17-Aug-2004 23:55  2000.80.970.0      78,400  Console.exe 17-Aug-2004 23:55  2000.80.970.0     332,352  Ctasksui.dll 17-Aug-2004 23:55  2000.80.970.0     315,968  Custtask.dll 17-Aug-2004 23:55  2000.80.970.0      33,340  Dbmslpcn.dll 08-Apr-2004 19:42                    786,432  Distmdl.ldf 08-Apr-2004 19:42                  2,359,296  Distmdl.mdf 10-Oct-2003 16:48                        180  Drop_repl_hotfix.sql 17-Aug-2004 23:55  2000.80.970.0   1,905,216  Dtspkg.dll 17-Aug-2004 23:55  2000.80.970.0     528,960  Dtspump.dll 17-Aug-2004 23:55  2000.80.970.0   1,557,052  Dtsui.dll 17-Aug-2004 23:55  2000.80.970.0     639,552  Dtswiz.dll 10-Oct-2003 16:48                    747,927  Instdist.sql 10-Oct-2003 16:48                      1,581  Inst_repl_hotfix.sql 17-Aug-2004 23:55  2000.80.970.0     352,828  Isqlw.exe 17-Aug-2004 23:55  2000.80.970.0      82,492  Itwiz.exe 17-Aug-2004 23:55  2000.80.970.0      90,692  Msgprox.dll 19-May-2004 21:43  8.11.40209.0      209,408  Mssdi98.dll 17-Aug-2004 23:55  2000.80.970.0      62,024  Odsole70.dll 17-Aug-2004 23:56  2000.80.970.0      25,144  Opends60.dll 17-Aug-2004 23:55  2000.80.970.0      57,904  Osql.exe 17-Aug-2004 23:55  2000.80.970.0     279,104  Pfutil80.dll 10-Oct-2003 16:37                    550,780  Procsyst.sql 08-Apr-2004 19:42                     12,305  Qfe469315.sql 08-Apr-2004 19:42                     19,195  Qfe469571.sql 17-Aug-2004 22:27                      5,155  Qfe472197.sql 17-Aug-2004 23:55  2000.80.970.0     143,940  Qrdrsvc.exe 18-Aug-2004 00:16                  1,105,167  Replmerg.sql 17-Aug-2004 23:55  2000.80.970.0     221,768  Replprov.dll 17-Aug-2004 23:55  2000.80.970.0     307,784  Replrec.dll 17-Aug-2004 22:46  2000.80.970.0     159,813  Replres.rll 17-Aug-2004 22:27                  1,086,925  Replsys.sql 10-Oct-2003 16:48                    986,603  Repltran.sql 17-Aug-2004 23:55  2000.80.970.0     287,304  Rinitcom.dll 17-Aug-2004 23:55  2000.80.970.0      78,416  Sdiclnt.dll 17-Aug-2004 23:55  2000.80.970.0      66,112  Semmap.dll 17-Aug-2004 23:55  2000.80.970.0      57,916  Semnt.dll 17-Aug-2004 23:55  2000.80.970.0     492,096  Semobj.dll 17-Aug-2004 23:20  2000.80.970.0     172,032  Semobj.rll 17-Aug-2004 23:55  2000.80.970.0      53,832  Snapshot.exe 13-Jul-2004 18:59                    117,834  Sp3_serv_uni.sql 17-Aug-2004 23:55  2000.80.970.0      28,672  Sqlagent.dll 17-Aug-2004 23:55  2000.80.970.0     311,872  Sqlagent.exe 17-Aug-2004 23:55  2000.80.970.0     168,001  Sqlakw32.dll 17-Aug-2004 23:55  2000.80.970.0      33,344  Sqlctr80.dll 17-Aug-2004 23:55  2000.80.970.0   4,215,360  Sqldmo.dll 17-Aug-2004 23:55                     25,172  Sqldumper.exe 17-Aug-2004 22:35  2000.80.970.0      28,672  Sqlevn70.rll 17-Aug-2004 23:55  2000.80.970.0     156,224  Sqlmaint.exe 17-Aug-2004 23:55  2000.80.970.0     180,792  Sqlmap70.dll 17-Aug-2004 23:55  2000.80.970.0     188,992  Sqlmmc.dll 17-Aug-2004 23:15  2000.80.970.0     479,232  Sqlmmc.rll 17-Aug-2004 23:55  2000.80.970.0     401,984  Sqlqry.dll 17-Aug-2004 23:55  2000.80.970.0      57,920  Sqlrepss.dll 17-Aug-2004 23:55  2000.80.970.0   7,581,777  Sqlservr.exe 17-Aug-2004 23:55  2000.80.970.0     590,396  Sqlsort.dll 17-Aug-2004 23:55  2000.80.970.0      45,644  Sqlvdi.dll 17-Aug-2004 23:55  2000.80.970.0     106,588  Sqsrvres.dll 17-Aug-2004 23:55  2000.80.970.0      33,340  Ssmslpcn.dll 17-Aug-2004 23:55  2000.80.970.0      82,492  Ssnetlib.dll 17-Aug-2004 23:55  2000.80.970.0      25,148  Ssnmpn70.dll 17-Aug-2004 23:55  2000.80.970.0     123,456  Stardds.dll 17-Aug-2004 23:55  2000.80.970.0     158,240  Svrnetcn.dll 17-Aug-2004 23:55  2000.80.970.0      76,416  Svrnetcn.exe 17-Aug-2004 23:55  2000.80.970.0      49,228  Ums.dll 17-Aug-2004 23:55  2000.80.970.0      98,872  Xpweb70.dll 17-Aug-2004 23:55  2000.80.970.0     664,128  Autoplt.dll 17-Aug-2004 23:55  2000.80.970.0     332,352  Ctasksui.dll 17-Aug-2004 23:55  2000.80.970.0     315,968  Custtask.dll 17-Aug-2004 23:55  2000.80.970.0   1,905,216  Dtspkg.dll 17-Aug-2004 23:55  2000.80.970.0   1,557,052  Dtsui.dll 17-Aug-2004 23:55  2000.80.970.0     639,552  Dtswiz.dll 17-Aug-2004 23:55  2000.80.970.0     352,828  Isqlw.exe 17-Aug-2004 23:55  2000.80.970.0      82,492  Itwiz.exe 17-Aug-2004 23:55  2000.80.970.0      57,904  Osql.exe 17-Aug-2004 23:55  2000.80.970.0     279,104  Pfutil80.dll 17-Aug-2004 23:55  2000.80.970.0      78,416  Sdiclnt.dll 17-Aug-2004 23:55  2000.80.970.0      66,112  Semmap.dll 17-Aug-2004 23:55  2000.80.970.0      57,916  Semnt.dll 17-Aug-2004 23:55  2000.80.970.0     492,096  Semobj.dll 17-Aug-2004 23:20  2000.80.970.0     172,032  Semobj.rll 17-Aug-2004 23:55  2000.80.970.0   4,215,360  Sqldmo.dll 17-Aug-2004 23:55                     25,172  Sqldumper.exe 17-Aug-2004 23:55  2000.80.970.0     188,992  Sqlmmc.dll 17-Aug-2004 23:15  2000.80.970.0     479,232  Sqlmmc.rll 17-Aug-2004 23:55  2000.80.970.0     401,984  Sqlqry.dll 17-Aug-2004 23:55  2000.80.970.0     123,456  Stardds.dll 17-Aug-2004 23:55  2000.80.970.0     158,240  Svrnetcn.dll 17-Aug-2004 23:55  2000.80.970.0      76,416  Svrnetcn.exe Note Because of file dependencies, the most recent hotfix or feature that contains these files may also contain additional files.

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

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MORE INFORMATION
For additional information about the naming schema for Microsoft SQL Server updates, click the following article number to view the article in the Microsoft Knowledge Base:

822499 New naming schema for Microsoft SQL Server software update packages

For additional information about the terminology that Microsoft uses when correcting software after it is released, 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

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Keywords: kbbug kbfix kbqfe kbsqlserv2000presp4fix kbhotfixserver KB884864

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