Microsoft KB Archive/268150

= FIX: INSERT..SELECT with NOT EXISTS Can Choose Slower Merge Join Plan =

Article ID: 268150

Article Last Modified on 3/14/2006

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APPLIES TO


 * Microsoft SQL Server 7.0 Standard Edition

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This article was previously published under Q268150



BUG #: 57872 (SQLBUG_70)



SYMPTOMS
An INSERT..SELECT statement that uses a NOT EXISTS correlated subquery can choose a merge join plan that can perform more slowly than if a loop join plan is used.



WORKAROUND
Use the OPTION(LOOP JOIN) hint to force a loop join.



STATUS
Microsoft has confirmed this to be a problem in SQL Server 7.0. This problem has been corrected in U.S. Service Pack 3 for Microsoft SQL Server 7.0. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

274799 INF: How to Obtain Service Pack 3 for Microsoft SQL Server 7.0 and Microsoft Data Engine (MSDE) 1.0

For more information, contact your primary support provider.

Keywords: kbbug kbfix kbqfe KB268150

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