Performance Tuning

Technical Article

Using Plan Guides in SQL Server 2005

  • Article

In SQL Server 2005, there is a new feature called Plan Guides that can help out in some cases where you discover poorly performing queries that you don't have direct control over. Essentially, a Plan Guide allows you to add or modify query hints to queries on the fly, just before they are executed.

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2007-02-26

2,178 reads

Technical Article

Using Indexed Computed Columns to Improve Performance

  • Article

I recently read a blog post on doing case-insensitive text searches on SQL Server 2005. The post said that an index on a computed column might be used even if the computed column itself wasn't used in the WHERE clause. I was curious to test that and see how far I might take it.

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2007-01-29

3,398 reads

SQLServerCentral Article

The Effect of NOLOCK on Performance

  • Article

Using hints in a query is something that most DBAs don't ever seem to bother with, but when they do, NOLOCK seems to be their hint of choice. Wayne Fillis brings us a detailed examination of how this particular hint actually affects the performance of your system.

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2007-12-17 (first published: )

72,609 reads

SQLServerCentral Article

Indexing in SQL Server 2005

  • Article

How should you approach indexing your database? Do you have a good strategy for deciding which indicies to create and on which columns? Aaron Ingold brings us a great article discussing these very topics that is likely to become a must read for many DBAs.

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2007-12-24 (first published: )

21,743 reads

SQLServerCentral Article

Performance Effects of NOCOUNT

  • Article

Most SQL Server programmers know to use the SET NOCOUNT command to prevent the number of rows message from being returned to the client. But how does this affect performance? Does it make sense to qualify the owner on your objects? SQL Server guru David Poole brings us some performance analysis of how your stored procedures perform.

(16)

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2007-12-07 (first published: )

25,874 reads

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RegEx Functions I

By Steve Jones - SSC Editor

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Question of the Day

RegEx Functions I

Which of these RegEx functions need compatibility level 170 in SQL Server 2025?

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