The SQL Server LAG Function
The LAG function can really improve performance over the old double JOIN.
2019-01-21 (first published: 2019-01-14)
4,114 reads
The LAG function can really improve performance over the old double JOIN.
2019-01-21 (first published: 2019-01-14)
4,114 reads
Scalar functions in Query Plans just don't always show the whole story!
2018-06-04
954 reads
Covering indexes help UPDATE performance also
2018-05-15
12,599 reads
A start at identifying and creating TSQL statements for tables that may benefit from compression.
2011-01-13
4,600 reads
While attending SQLCon and FabCon Europe in Barcelona, there were a lot of announcements...
By James Serra
(This is the second post in a three-part series on how AI is changing...
By Steve Jones
I had seen these roles in various instances, but never dug into the new...
Comments posted to this topic are about the item Pay for Performance, which is...
Has anyone encountered recurring request latency when using Microsoft Access with SQL Server 2025...
Comments posted to this topic are about the item The ##MS_DatabaseConnector## User
On SQL Server 2025, I run this code as a sysadmin:
CREATE LOGIN Demo WITH PASSWORD = 'Demo1234567' GO ALTER SERVER ROLE ##MS_DatabaseConnector## ADD MEMBER Demo GOI then login as Demo and run this:
USE sandbox go SELECT CURRENT_USERWhat is returned? See possible answers