Implicit Conversions warning
After adding an index, ensuring that an index is actually used is probably the biggest win you will get in...
2011-10-17
1,233 reads
Dave Ballantyne
Rows or Range, What’s the difference ?
With the release of Denali CTP3 came an extension of the over clause to allow for a sliding window of...
2011-09-22
2,312 reads
Unleashing my inner Viking, SQLBits and more…
In case you didn't know SQLBits 9 ,”Query across the Mersey”, is taking place in Liverpool from September 21st to...
2011-08-31
1,564 reads
Rolling your own index lookups
Over the past few weeks, I’ve been training developers in what they really need to know about SQL Server to...
2011-08-01
1,340 reads
Denali–IIF and CHOOSE
In Denali CTP3, we have a new of new functions to play with. For this post, im going to focus...
2011-07-19
795 reads
Optimizing a cursor based routine – Part 2
In the second part of his optimization series, Dave Ballantyne shows us how to add conditional logic to set based, more efficient T-SQL code.
2011-06-28
5,293 reads
Optimizing a cursor based routine – Part 1
Learn how you can remove a cursor and optimize a routine that loops through a series of data and performs various calculations in this short article from Dave Ballantyne.
2011-06-27
7,817 reads
Non use of persisted data – Part deux
In my last blog I showed how persisted data may not be used if you have used the base data...
2011-06-20
535 reads
Itzik Ben-Gan is in town
Not that you would know it from the page below, but Itzik Ben-Gan is back in London to do a...
2011-06-17
1,283 reads
Non use of persisted data
Working at a client site, that in itself is good to say, I ran into a set of circumstances that...
2011-06-13
626 reads
Blogs
Claude Code Helps Analyze Test Data Manager Log Files
By Steve Jones
I had a customer ask about analyzing their Test Data Manager (TDM) usage to...
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...
Forums
SQL Server 2025 Query Performance Tuning: Troubleshoot and Optimize Query Performance
Comments posted to this topic are about the item SQL Server 2025 Query Performance...
Is it uncommon for Dev's to have a data model of the source data
This is a generic question. To the moderators, I wasn't sure where to place...
ROLLUP to calculate Month total for all Categories
Good Afternoon, I have built a table with four columns: Period(Month), Category, Numerator, Denominator....
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