December 2013
Intermediate to advanced
1872 pages
153h 31m
English
book
Microsoft® SQL Server 2012 Unleashed
by Ray Rankins, Paul T. Bertucci, Chris Gallelli, Alex T. Silverstein
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query wait
Type: Advanced
Default value: -1
Queries that are memory intensive and involve huge sorts might take a long time to execute, based on the available memory during execution. SQL Server internally calculates the timeout interval for such queries. Usually, this is quite a large number. You can override this value by specifying a value (in seconds) for the query wait parameter in SQL Server. If you set this value too low, you risk more frequent query timeouts when your system is under a heavy load and a highly concurrent environment. If -1 is specified (the default), the timeout is calculated as 25 times of the estimated query cost.
The following is an example of this option:
exec sp_configure 'query wait', ...
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