It's a well known fact that Scalar UDFs are the stuff of performance nightmares in T-SQL. But are they really as bad as they say? SQL Server MVP Jeff Moden shows us that they might not really be as big a problem as you might think and what you can do when they actually are.
2014-06-24 (first published: 2012-08-01)
27,670 reads
2012-08-13 (first published: 2012-07-31)
1,785 reads
2012-07-30
2,899 reads
2012-07-24
2,769 reads
2012-07-23
2,675 reads
Recursive CTEs can be confusing and scary, so examining some non-standard examples may cast light upon these shadowy demons.
2014-07-25 (first published: 2012-07-17)
27,199 reads
2012-07-16
3,125 reads
2012-07-11
3,288 reads
2012-07-10
3,254 reads
2012-07-09
3,227 reads
By Bert Wagner
Until recently, my family's 90,000+ photos have been hidden away in the depths of...
By Kamil
Managing Microsoft Fabric at scale quickly becomes painful if you rely only on the...
2025 exposed a growing gap between AI ambition and operational reality. As budgets tightened...
Comments posted to this topic are about the item UNISTR Escape
Comments posted to this topic are about the item Celebrating Tomorrow
Comments posted to this topic are about the item SQL Art: I Made a...
In SQL Server 2025, I run this command:
SELECT UNISTR('*3041*308A*304C\3068 and good night', '*') as "A Classic";
What is returned? (assume the database has an appropriate collation)
A: 
B: 
C: 
See possible answers