Microsoft KB Archive/828096

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Article ID: 828096

Article Last Modified on 11/2/2007



APPLIES TO

  • Microsoft SQL Server 2000 Developer Edition
  • Microsoft SQL Server 2000 Standard Edition
  • Microsoft SQL Server 2000 Enterprise Edition
  • Microsoft SQL Server 2000 Personal 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




SYMPTOMS

Microsoft SQL Server 2000 may hold on to the key lock for a row until the end of the statement if all the following conditions are true:

  • The query is run with the READ COMMITTED isolation level.
  • The query plan contains an operator that introduces a delay between the time that the row is qualified (that is, the storage engine checks whether the row meets a condition that is specified in the query) and when the row is produced. Some common operators that introduce a delay are the Bookmark Lookup operator (if the bookmark lookup is using prefetch) and the Sort operator or the Table Spool operator for queries that select a text, ntext, or image column.
  • The Index Seek operator or the Index Scan operator passes a residual filter criterion to the storage engine, and the row does not meet the criteria that are specified in the filter. If a residual predicate is passed, the showplan output contains a WHERE clause on the Index Seek operator (and the SEEK condition) or the Index Scan operator.

Note Locks for rows that qualify are held until the end of the statement to make sure that they are not deleted or modified during the time that the row is qualified and when the remaining columns are produced.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft SQL Server 2000. For additional information, 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


Hotfix 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.

   Date         Time   Version            Size    File name
   -------------------------------------------------------------------
   31-May-2003  18:45  2000.80.818.0      78,400  Console.exe      
   25-Jun-2003  01:01  2000.80.818.0      33,340  Dbmslpcn.dll     
   25-Apr-2003  02:12                    786,432  Distmdl.ldf
   25-Apr-2003  02:12                  2,359,296  Distmdl.mdf
   30-Jan-2003  01:55                        180  Drop_repl_hotfix.sql
   26-Aug-2003  20:16  2000.80.854.0     528,960  Dtspump.dll      
   23-Jun-2003  22:40  2000.80.837.0   1,557,052  Dtsui.dll        
   23-Jun-2003  22:40  2000.80.837.0     639,552  Dtswiz.dll       
   24-Apr-2003  02:51                    747,927  Instdist.sql
   03-May-2003  01:56                      1,581  Inst_repl_hotfix.sql
   08-Feb-2003  06:40  2000.80.765.0      90,692  Msgprox.dll      
   01-Apr-2003  02:07                      1,873  Odsole.sql
   05-Apr-2003  01:46  2000.80.800.0      62,024  Odsole70.dll     
   07-May-2003  20:41  2000.80.819.0      25,144  Opends60.dll     
   02-Apr-2003  21:48  2000.80.796.0      57,904  Osql.exe         
   02-Apr-2003  23:15  2000.80.797.0     279,104  Pfutil80.dll     
   04-Aug-2003  18:17                    550,780  Procsyst.sql
   22-May-2003  22:57                     19,195  Qfe469571.sql
   11-Jul-2003  17:04                  1,084,147  Replmerg.sql
   04-Apr-2003  21:53  2000.80.798.0     221,768  Replprov.dll     
   08-Feb-2003  06:40  2000.80.765.0     307,784  Replrec.dll      
   13-Aug-2003  16:28                  1,086,797  Replsys.sql
   13-Aug-2003  16:28                    986,603  Repltran.sql
   29-Jul-2003  20:13  2000.80.819.0     492,096  Semobj.dll       
   31-May-2003  18:27  2000.80.818.0     172,032  Semobj.rll
   05-Aug-2003  21:06                    127,884  Sp3_serv_uni.sql
   01-Jun-2003  01:01  2000.80.818.0   4,215,360  Sqldmo.dll       
   07-Apr-2003  17:44                     25,172  Sqldumper.exe    
   19-Mar-2003  18:20  2000.80.789.0      28,672  Sqlevn70.rll
   02-Jul-2003  00:18  2000.80.834.0     180,736  Sqlmap70.dll     
   08-Feb-2003  06:40  2000.80.765.0      57,920  Sqlrepss.dll     
   29-Aug-2003  23:40  2000.80.856.0   7,602,257  Sqlservr.exe     
   25-Jul-2003  21:44  2000.80.845.0     590,396  Sqlsort.dll      
   08-Feb-2003  06:40  2000.80.765.0      45,644  Sqlvdi.dll       
   25-Jun-2003  01:01  2000.80.818.0      33,340  Ssmslpcn.dll     
   01-Jun-2003  01:01  2000.80.818.0      82,492  Ssnetlib.dll     
   01-Jun-2003  01:01  2000.80.818.0      25,148  Ssnmpn70.dll     
   01-Jun-2003  01:01  2000.80.818.0     158,240  Svrnetcn.dll     
   31-May-2003  18:59  2000.80.818.0      76,416  Svrnetcn.exe     
   30-Apr-2003  23:52  2000.80.816.0      45,132  Ums.dll          
   02-Jul-2003  00:19  2000.80.834.0      98,816  Xpweb70.dll      
                

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


STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.This problem was first corrected in Microsoft SQL Server 2000 Service Pack 4.

MORE INFORMATION

For additional 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


REFERENCES

For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260652 PRB: Nested Loop Join That Uses A "BOOKMARK LOOKUP ...WITH PREFETCH" May Hold Locks Longer


Keywords: kbbug kbfix kbqfe kbsqlserv2000presp4fix kbhotfixserver KB828096