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Microsoft® SQL Server 2008 R2 Unleashed
book

Microsoft® SQL Server 2008 R2 Unleashed

by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
September 2010
Intermediate to advanced content levelIntermediate to advanced
1704 pages
111h 8m
English
Sams
Content preview from Microsoft® SQL Server 2008 R2 Unleashed

Using Plan Guides

At times, you might find it necessary to use query hints to improve the performance of queries for a particular query or a small set of queries. Although this may be easy to do when you have access to the application code, often the particular queries to be modified are embedded within a third-party application, and alteration of the queries themselves is virtually impossible. Also, if you start hard-coding query hints in your application code, changing them as necessary when data volumes change or when upgrading to a new version of SQL Server can be a difficult undertaking.

The plan guides feature in SQL Server 2008 provides an ideal solution for such scenarios by offering another mechanism for injecting query hints into the ...

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Publisher Resources

ISBN: 9780768696585Purchase book