Breaking Down Complex Execution Plans

June 23, 2008 at 7:52 am (SQL Server 2005, SQL Server 2008, TSQL) (, )

Peter Ward, the editor at SQL Server Performance, has published an article of mine on Breaking Down Complex Execution Plans. I go way beyond the blog entry below and show how the estimated costs in execution plans can mess you up, how to use the XML in execution plans to search through them for costly operations or operations that have mismatched estimated rows & actual rows and some other tips and tricks. Hopefully it’s worth a read.

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