2025-08-11
96 reads
T-SQL
2025-07-16
467 reads
DISTINCT and UNION: What happens when you use them together?
When I was perusing my LinkedIn feed the other day, I came across this thread about using SELECT *. In one of the replies, Aaron Cutshall noted that: “Another real performance killer is SELECT DISTINCT especially when combined with UNION. I have a whole list of commonly used hidden performance killers!”
2025-07-04
2025-06-27
387 reads
2025-06-20
520 reads
2025-06-18
899 reads
2025-06-16
831 reads
2025-06-13
833 reads
2025-06-11
1,394 reads
Techniques to query Azure SQL’s new JSON Datatype
The new JSON field type and new functions in Azure SQL brings a new world of possibilities for JSON manipulation in SQL Databases. These features are slated to be a part of SQL Server 2025 as well. Let’s analyze some practical uses of these features
2025-06-09
Blogs
Rolling Back a Broken Release
By Steve Jones
We had an interesting discussion about deployments in databases and how you go forward...
A bespoke reporting solution doesn’t have to cost the earth
By ChrisJenkins
You could be tolerating limited reporting because there isn’t an off the shelf solution...
Presenting with Visual Studio Code
A while back I wrote a quick post on setting up key mappings in...
Forums
Lots of FKs
Comments posted to this topic are about the item Lots of FKs
Real-time On-prem SQL Server Data in Excel – Over the Internet
Comments posted to this topic are about the item Real-time On-prem SQL Server Data...
Can You Let Go of Determinism
Comments posted to this topic are about the item Can You Let Go of...
Question of the Day
Lots of FKs
In SQL Server 2025, what are the most outgoing and incoming FK references a table can have?
See possible answers