12 Ways To Rewrite SQL Queries for Better Performance
Bert Wagner summarizes 12 techniques he's learned over time, from trial and error, for rewriting queries to improve performance.
2019-05-31
Query performance
SQL Server Plan Cache Limits
Erin Stellato explains the limits on both plan cache size, and number of entries. If you’re seeing plan cache bloat due to an ad hoc workload, take note of the space consumed by your plan cache and consider enabling the optimize for ad hoc setting.
2019-05-31
Scalar Functions with Query Plans: Not all is obvious!
Scalar functions in Query Plans just don't always show the whole story!
2018-06-04
919 reads
Monitor Query Performance Using Query Store in SQL Server
The Query Store captures a history of queries, execution plans, and runtime statistics, which persist within SQL Server and can be reviewed later.
2018-04-12
4,214 reads
Techniques For Improving SQL Query Performance - Indexing, Parameterization and Partitioning
You are tasked with examining poor performance for queries on a certain table, or range of tables. Perhaps a sales report is timing out or running unacceptably slow; perhaps your web application is failing to return the result set before the application timeout is reached. You need to find out what's causing the bottleneck, and optimize either the queries used, the table schemata, or both.
2013-09-06
6,400 reads
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Missing the Jaro Winkler Distance
Comments posted to this topic are about the item Missing the Jaro Winkler Distance
Question of the Day
Missing the Jaro Winkler Distance
I upgraded a SQL Server 2019 instance to SQL Server 2025. I wanted to test the fuzzy string search functions. I run this code:
SELECT JARO_WINKLER_DISTANCE('tim', 'tom')
I get this error message:Msg 195, Level 15, State 10, Line 1 'JARO_WINKLER_DISTANCE' is not a recognized built-in function name.What is wrong? See possible answers