September 2007
Intermediate to advanced
448 pages
13h 52m
English
book
Inside Microsoft® SQL Server™ 2005: Query Tuning and Optimization
by Kalen Delaney, Sunil Agarwal, Craig Freedman, Ron Talmage, Adam Machanic
Content preview from Inside Microsoft® SQL Server™ 2005: Query Tuning and Optimization
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Chapter 5. Plan Caching and Recompilation
—Kalen Delaney
We’ve now looked at SQL Server’s query optimization process and the details of query execution. Because query optimization can be a complex and time-consuming process, SQL Server frequently and beneficially reuses plans that have already been generated and saved in the plan cache, rather than producing a completely new plan. However, in some cases a previously created plan may not be ideal for the current query execution, and we ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.