FIX: INSERT..SELECT with NOT EXISTS Can Choose Slower Merge Join Plan (268150)


The information in this article applies to:

  • Microsoft SQL Server 7.0
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.
Modification Type:MajorLast Reviewed:3/14/2006
Keywords:kbBug kbfix kbQFE KB268150
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