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 Processing Best Practices
In this final section, we’ll present some general recommendations for getting the best performance from your queries. You’ve probably seen most of these recommendations before, but they are so important, that it can’t hurt to be reminded.
Use Set-Oriented Programming
This first suggestion has been mentioned earlier in this chapter, but it is probably the number-one query performance issue with new SQL Server developers. Any code written to examine and manipulate a set of rows should be implemented using Transact-SQL’s own set-based operations. Defining a cursor to step through the rows in a table is a giant step backwards, and causes you to lose most of the power of the SQL Server data processing engine.
Defining ...
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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.