September 2007
Intermediate to advanced
448 pages
13h 52m
English
book
Inside Microsoft® SQL Server™ 2005: Query Tuning and Optimization
by Kalen Delaney, Sunil Agarwal, Craig Freedman, Ron Talmage, Adam Machanic
Content preview from Inside Microsoft® SQL Server™ 2005: Query Tuning and Optimization
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Query Improvements
Many techniques are available for improving the performance of your queries. Some of the techniques are no more complicated than simply rewriting some of your Transact-SQL code, while others involve some redefinitions of your database schema, verifying that appropriate statistics are available, or the creation of new indexes. In other cases, you may find that you need to supply specific information to the query optimizer in the form of hints to get the maximum possible performance from your queries. The following sections describe these possible areas of improvement.
Rewriting Your Query
Frequently, you can write the same query in many ways. As we’ve seen, these rewrites often result in different—sometimes better and sometimes ...
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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.
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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.