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SQL Server internals by Paul White
Showing posts with label
Sorts
.
Show all posts
Showing posts with label
Sorts
.
Show all posts
Thursday, 20 June 2024
SQL Server Parallel Index Builds
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Parallel Index Building Execution Plan SQL Server doesn't support parallel modifications to a b-tree index. That might sound surprising....
Friday, 31 May 2024
Impossible Execution Plan Timings
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Erik Darling ( @erikdarlingdata ) shared an interesting SQL Server execution plan with me recently. The demo script is at the end of this ar...
Monday, 13 November 2023
Why Batch Mode Sort Spills Are So Slow
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Why Batch Mode Sort Spills Are So Slow Batch mode sorting was added to SQL Server in the 2016 release under compatib...
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Thursday, 8 October 2020
Closest Match with Sort Rewinds
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Closest Match with Sort Rewinds In When Do SQL Server Sorts Rewind? I described how most sorts can only rewind when th...
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