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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Chapter 11. The Query Optimizer
Conor Cunningham
The Query Optimizer in Microsoft SQL Server 2012 determines the query plan to be executed for a specific SQL statement. Because the Query Optimizer doesn’t have a lot of exposed features, it’s not as widely understood as some of the other components in the SQL Server Engine. This chapter describes the Query Optimizer and how it works. After reading this chapter, you should understand the high-level optimizer architecture and be able to conclude why a particular plan was selected by the Query Optimizer. By extension, you should be able to troubleshoot problem query plans in cases when the Query Optimizer might not select the desired query plan and how to affect that selection.
This chapter is split ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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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.