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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Plan cache internals
Knowing when and how plans are reused or recompiled can help you design high-performing applications. The more you understand about optimal query plans, and how different actual values and cardinalities require different plans, the more you can determine when recompilation is useful. When you are getting unnecessary recompiles, or when SQL Server isn’t recompiling when you think it should, your troubleshooting efforts will be easier the more you know about how plans are managed internally.
This section explores the internal organization of the plan cache, the metadata available, how SQL Server finds a plan in cache, plan cache sizing, and the plan eviction policy.
Cache stores
The plan cache in SQL Server is made up of four separate ...
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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.