October 2015
Intermediate to advanced
432 pages
12h 24m
English
Content preview from Expert Performance Indexing in SQL Server, Second Edition
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CHAPTER 12
Query Strategies
In the previous chapter, you looked at strategies to identify potential indexes for your databases. That, though, is often only half the story. Once the indexes have been created, you would expect performance within the database to improve, leading you then to the next bottleneck. Unfortunately, coding practices and selectivity can sometimes negatively influence the application of indexes to queries. And sometimes how the database and tables are being accessed will prevent the use of some of the most beneficial indexes in your databases.
This chapter covers a number of querying strategies where indexes may not be used ...
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