Parameter Sensitive Plan Optimization in SQL Server 2022
Learn about a new feature of SQL Server 2022 - Parameter Sensitive Plan Optimization(PSPO)
2025-09-15
1,728 reads
plan cache
SQL Server Plan Cache Bloat Performance Impacts
Learn about the SQL Server plan cache and how SQL Server caches query plans, and the potential of plan cache bloat which could impact performance.
2024-04-10
Checking the Plan Cache Warnings for a SQL Server Database
How often do you check your query plans to see if they contain any warnings? If you're missing them, it means that you're not getting all those hints about missing indexes, join predicates or statistics. Is the query optimiser trying to tell you about implicit conversions? Dennes shows how to view the warnings in plan cache for a particular database using SQL.
2015-03-02
7,649 reads
Find Single use plans in Plan Cache
This script will return all the Adhoc Single use Plans currently in your Plan Cache.
It also excludes Plan Shells created from auto/forced parameterization. Works for 2005/2008
2012-12-11 (first published: 2012-11-26)
818 reads
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Level 28: DAX Text Functions: The DAX Extract & Modify Functions: LEFT(), RIGHT(), MID(), REPLACE(), SUBSTITUTE()
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Creating JSON I
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Expensive CPUs
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Question of the Day
Creating JSON I
On SQL Server 2025, what happens when I run this code:
SELECT JSON_OBJECTAGG( 'City':'Denver') GOSee possible answers