November 2013
Intermediate to advanced
982 pages
34h 23m
English
book
Microsoft SQL Server 2012 Internals
by Bob Beauchemin Kalen Delaney Conor Cunningham, Jonathan Kehayias, Benjamin Nevarez, and Paul S. Randal
Content preview from Microsoft SQL Server 2012 InternalsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Conclusion
The Query Optimizer is a complex component with many internal features. Although it’s not always possible to know exactly why the Query Optimizer would choose a specific plan, knowing a little about the Query Optimizer’s design can help a DBA or database developer examine any query plan and diagnose any problems. Knowing how the Query Optimizer works can also help reinforce good database design methodologies that can improve the quality of your application and reduce problems in deployment.
This chapter explains the mechanisms used in query processing and optimization, including trees, rules, properties, and the Memo framework. These ideas are used through different stages of optimization to try to find a reasonable plan quickly. The ...
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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.