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Bookmark Lookups

Building high performance applications with SQL Server can be a challenge if you do not understand how the query processor works and how the server uses indexes. SQL Server expert Randy Dyess brings a look at how bookmark lookups are used when satisfying a query and how this can impact the performance of your query.

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2008-07-18 (first published: )

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Question of the Day

The String Distance I

In SQL Server 2025, what is returned by this code:

SELECT EDIT_DISTANCE('Steve', 'Stan')
Assume preview features are enabled.

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