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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Hotfixes
The SQL Server engineering team is extremely careful about making changes to the Query Optimizer when those changes could lead to plan quality regressions. Unfortunately, changing the Optimizer’s model can often cause unintentional side-effects because almost every customer uses this portion of the product. The SQL Server team has been working on delivering features that minimize the risk of regression for customers, especially in production environments. As part of this effort, the team has been formalizing the way it delivers hotfixes for releases of SQL Server after the initial release of each major version.
Starting several years ago, most optimizer hotfixes are controlled in a new way. You must turn on a special traceflag (4199) that ...
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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.