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FIX: Suboptimal Execution Plan on an Indirect UPDATE to an Indexed View
Article ID: 286234 - View products that this article applies to.
This article was previously published under Q286234
BUG #: 236137 (SHILOH_BUGS)
An update to a table underlying an indexed view may result in a suboptimal plan when the indexed view contains aggregate functions.
Incorrect row estimates result in an index scan instead of an index seek when calculating the aggregate information.
To resolve this problem, obtain the latest service pack for SQL Server 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/290211/EN-US/ )INF: How to Obtain the Latest SQL Server 2000 Service Pack
Microsoft has confirmed that this is a problem in SQL Server 2000. This problem was first corrected in SQL Server 2000 Service Pack 1.
Execute the following code to see the problem. Note that the "compute scalar" step is performing an index seek.