Oct 2010 ~ DMV’s as a Shortcut to Procedure Tuning ~ Grant Fritchney

 

Presenter: Grant Fritchey – SQL Server MVP
Topic: DMV’s as a Shortcut to Procedure Tuning

 

Dynamic Management Views (DMV) expose a wealth of information to the database administrator. However, they also expose information that is vital to the database developer. More often than not people gather performance metrics through server side traces. This session will show how to gather information from the DMVs for currently executing, and recently executed queries.

The session will demonstrate combining this information with other DMVs to get more intersting information such as the query plan and query text. I’ll show where you can get aggregate information for the queries in cache to determine which queries are being frequently accessed or using the most resources. I’ll show how to determine which indexes are being used in your system and which are not. All of this will be focused, not on the DBA, but on the query writer, the developer or database developer that needs information to tune and troubleshoot data access.

Biography:

Grant Fritchey has twenty years experience in IT. That time was spent in technical support, development and database administration. For the last seven years he has been working at a major insurance company as a DBA. He writes articles for publication at SQL Server Central, Simple-Talk, PASS Book Reviews and SQL Server Standard. He also published two books, ”Dissecting SQL Server Execution Plans” and “SQL Server 2008 Query Performance Tuning Distilled.” He is one of the founding officers of the this Users Group and currently serving as the president. In April 2009 he was awarded as a Microsoft SQL Server MVP. You can also find him tweeting as @GFritchey and blogging at Home of the Scary DBA.

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