2018-06-07 (first published: 2018-01-13)
2,375 reads
Indexing
2018-06-15 (first published: 2018-01-04)
2,095 reads
2017-11-02
1,046 reads
Indexing for Windowing Functions: WHERE vs. OVER
Erik Darling shows that if you take SQL Server's word when it asks for an index, things can go horribly awry.
2017-10-09
4,023 reads
2017-04-20
1,246 reads
Index Utilization Summary
This report shows all the Indexes on user defined table or view and how effectively they are being used in our project.
2017-04-20 (first published: 2017-04-10)
896 reads
One way to get an index seek for a leading %wildcard
In an effort to make leading wildcard searches sargable, Aaron Bertrand plays around with a trigram-type implementation in SQL Server.
2017-02-28
5,792 reads
Missing index with change impact percentage
This script will list all missing indexes with create statements.
2017-03-01 (first published: 2017-02-24)
1,339 reads
Internal Query Processor Error with ColumnStore Indexes
SQL Server 2016 does not allow computed columns to co exist with columnstore indexes and clustered btree indexes on same table.
2016-12-29
905 reads
Which Indexes are not Used?
During the development cycle, indexes will be placed on SQL Server tables to speed up performance when searching for records. Lots of thought probably has gone into creating just the right mix of indexes based on how developers think customers will use the system. But how do you tell if all the indexes are being used once your database has been implemented into production?
2016-12-19
8,251 reads
Blogs
RANK() vs DENSE_RANK(): #SQLNewBlogger
By Steve Jones
I haven’t done one of these in awhile, but I saw an article recently...
Using CAT for Testing of Data Agents
In last months one of the scenarios where you can use AI has been...
Forums
Missing the Jaro Winkler Distance
Comments posted to this topic are about the item Missing the Jaro Winkler Distance
25 Years Later: What SQLServerCentral Meant to Me
Comments posted to this topic are about the item 25 Years Later: What SQLServerCentral...
Doing Good at SQL Server Central
Comments posted to this topic are about the item Doing Good at SQL Server...
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