SQL University: Advanced Indexing – Indexing Strategies
Right, I know it’s Friday and everyone’s tired and looking forward to the weekend, but I do need to finish...
2011-11-11
1,591 reads
SQL In The Wild
SQL University: Advanced Indexing – Filtered Indexes
Welcome back to day 2 of Advanced Indexing. Today we’re going to look at a feature that was added in...
2011-11-09
1,938 reads
SQL University: Advanced indexing – Sorting and Grouping
Good day everyone and welcome to another week of SQL University. I know we’re getting close to the end of...
2011-11-07
2,688 reads
24 Hours of PASS Questions
I finally found the time to work through the questions from the 24 Hours of PASS session that I did....
2011-09-27
750 reads
Compiles and recompiles
I want to spend some time over the next few months looking at query compilation and the plan cache, and...
2011-08-16
3,692 reads
All about Execution Plans
Coming to the PASS Summit in October this year? Excellent!
I say excellent, because Grant (blog|twitter) and I are presenting a...
2011-08-09
770 reads
SQLSkills Immersion training in London
Just short of the winter solstice, I bailed out of a freezing cold Johannesburg for warmer climates; well, actually for...
2011-07-22
1,254 reads
Converting OR to Union
When I looked at indexing for queries containing predicates combined with OR, it became clear that the are some restrictive...
2011-07-05
1,631 reads
Are all updates split into delete-insert?
This should be another quick one.
Earlier I saw a forum post where someone asserted that SQL always executes an update...
2011-06-21
4,803 reads
T-SQL Tuesday: Disasters don’t just come in huge
So we’re supposed to talk about disasters we’ve had or discuss disaster recovery technologies. I’m going to take a slightly...
2011-06-14
735 reads
Blogs
Identity Columns Can’t Be Updated: #SQLNewBlogger
By Steve Jones
I’m not sure I knew identity column values could not be updated. I ran...
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...
Forums
Can someone please explain what happens?
I have mentioned this several times over several years. Can someone please help me...
SELECT COUNT(DISTINCT) returns null when nothing is found instead of 0
SELECT COUNT(DISTINCT Component) AS Found FROM tblComponents WHERE(Component NOT LIKE '%[a-z]%') AND(LTRIM(RTRIM(Component)) = 'GM13622')...
Remotely Engineer Fabric Lakehouse objects: The Fabric Modern Data Platform
Comments posted to this topic are about the item Remotely Engineer Fabric Lakehouse objects:...
Question of the Day
Creating JSON III
In a SQL Server 2025 table, called Beer, I have this data:
BeerIDBeerName 1Becks 2Fat Tire 3Mac n Jacks 4Alaskan Amber 8KirinI run this code:
SELECT JSON_OBJECTAGG(
BeerID: BeerName )
FROM beer;
What are the results? See possible answers