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
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Chapter 12. Plan caching and recompilation
Kalen Delaney
We’ve looked at the query optimization process and the details of query execution in Microsoft SQL Server. Because query optimization can be complex and time-consuming, SQL Server frequently and beneficially reuses plans that have already been generated and saved in the plan cache, rather than produce a completely new plan. However, in some cases, using a previously created plan might not be ideal for the current query execution, and creating a new plan might result in better performance.
This chapter looks at the SQL Server 2012 plan cache and how it’s organized. Most discussion is relevant to SQL Server 2005 and later versions as well, and I will tell you when a behavior or feature was introduced ...
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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.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.