Supercharge Your SQL Server Scalar Functions By Switching To Table Value Functions
User defined functions in SQL server can cause all kinds of performance problems, there are however some tricks that are...
2019-01-18
286 reads
Gavin Draper
Introducing ChaosLoad
Scripted Simulation of SQL Server Loads
When blogging, presenting or testing an idea, one issue I constantly have is that my...
2019-01-17 (first published: 2019-01-11)
2,328 reads
SQL Server Removing Duplicates
I know, I know your data could never possibly have duplicates because obviously, you have all the constraints in place...
2019-01-09 (first published: 2019-01-03)
2,990 reads
Waiter Waiter There's an Index in my Index
I’ve done a few posts on Clustered and Non-Clustered indexes before, what I’ve not however covered and something that is...
2019-01-09
242 reads
Profiler Is Dead, Long Live Extended Events
OK, so profiler isn’t actually dead, it has however been deprecated since 2012 and has had no new features since...
2019-01-07
427 reads
Indexing In Memory OLTP Tables
Indexing on In Memory OLTP tables is a little different from your traditional on-disk rowstore tables…
In Memory Differences…
There is no...
2018-12-24 (first published: 2018-12-04)
2,904 reads
Turbo Charged Staging\Caching Tables With In Memory OLTP
Since SQL 2012 some really awesome new technologies have been introduced into the engine that are massively underused. Everyone is...
2018-12-19 (first published: 2018-12-03)
2,269 reads
SQL Server Guide To NULL Handling
Every language handles null equality differently and understanding this is crucial as a misunderstanding here can lead to some quite...
2018-12-14 (first published: 2018-11-29)
3,215 reads
SQL Server Adventures In Reducing IO
In the interests of curiosity I’m going to take a query that runs a relatively simple aggregation over a large...
2018-12-10
294 reads
Live Query Stats of Running Queries
Since SQL Server 2014 SP1 we’ve had DMV’s that can support Live Query Statistics (Basically a query plan that gives...
2018-12-06 (first published: 2018-11-24)
3,456 reads
Blogs
PowerPoint to HTML with Claude AI
By Steve Jones
I had an idea for an animated view of a sales tool, and started...
Don’t Miss Out – SQL Server Query Tuning Fundamentals Starts Next Monday!
Next Monday, February 9, 2026, my one-day live online training SQL Server Query Tuning...
Monday Monitor Tips: SQL Auditing Preview
By Steve Jones
One of the features we advocates have been advocating for is a better way...
Forums
Level 28: DAX Text Functions: The DAX Extract & Modify Functions: LEFT(), RIGHT(), MID(), REPLACE(), SUBSTITUTE()
Comments posted to this topic are about the item Level 28: DAX Text Functions:...
Creating JSON I
Comments posted to this topic are about the item Creating JSON I
Expensive CPUs
Comments posted to this topic are about the item Expensive CPUs
Question of the Day
Creating JSON I
On SQL Server 2025, what happens when I run this code:
SELECT JSON_OBJECTAGG( 'City':'Denver') GOSee possible answers