Introduction to Gaps and Islands Analysis
T-SQL window functions simplify solving many complex queries. In this article, Edward Pollack demonstrates how the functions can be used to find gaps and islands in a dataset.
2020-01-16
T-SQL
2020-01-13
809 reads
2020-01-06
1,069 reads
2020-01-03
810 reads
2019-12-31
874 reads
Do You Have REFERENCES?
The logic for referential integrity can be implemented in application code, but to make sure that it is enforced, include foreign key constraints in the database design instead. In this article, Joe Celko talks about the history of references in SQL and the options available today.
2019-12-27
2019-12-24
927 reads
2019-12-19
261 reads
T-SQL script to purge all the tables including foreign key references
T-SQL script to purge all the tables including foreign key references. The script has been made smart enough to use TRUNCATE wherever there is no foreign key reference and to use DELETE wherever there is foreign key reference.
2019-12-10
2,598 reads
Using All Your Tools
Steve looks at a number of tools that you should spend time learning and building a level of comfort that enables you to use them in your daily work.
2019-12-07
319 reads
Blogs
Presenting with Visual Studio Code
A while back I wrote a quick post on setting up key mappings in...
Advice I Like: In 100 Years
By Steve Jones
In 100 years a lot of what we take to be true now will...
Forums
is it true we cant debug c# scripts in ssis anymore under vs
Hi, i'm running vs2022. I'm trying out a c# script that i'd like to...
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