Savepoints and conditional transactions
This is the second in a short series on transactions. In the previous part I discussed nested transactions and showed...
2015-11-20 (first published: 2015-11-17)
3,289 reads
Gail Shaw
- Interests: Computer Graphics, Aikido, Roleplaying
A Mess of Nested Transactions
Transactions are an area that I often find are used badly, or not used at all. Transactions without any error...
2015-11-03
797 reads
Of clustered indexes and ordering
There is a particularly irritating and persistent belief that indexes (usually it’s the clustered that gets picked on) are always...
2015-10-26 (first published: 2015-10-20)
2,819 reads
Index selectivity and index scans
There was a question raised some time back ‘If an index is not selective, will the query operators that use...
2015-10-14 (first published: 2015-10-06)
4,369 reads
Repairing a replication subscriber
It’s a question which has come up a couple of times. If a subscriber of a transactional replication publication becomes...
2015-09-22
1,128 reads
Unusual errors with Distributed Replay
I’ve come to really like Distributed Replay in the last couple of years. I’ve used it to do a scale...
2015-09-08
1,168 reads
How not to do a Masters degree
There are many, many guides to successfully completing a post grad degree, so I am not going to add to...
2015-08-11
592 reads
Premature Optimisation
Learning how to tune a system is a bit of science and a bit of an art. Gail Shaw gives some guidelines on when you might want to tune and how to go about it so as not to unnecessarily undertake the effort.
2014-09-22
5,896 reads
On the importance of a complete break
If you’re the type who habitually checks work email and thinks about work while on holiday, here’s Gail Shaw's challenge for next time: don’t.
2014-09-01
178 reads
But, but, but, my data is clean!
Gail Shaw on the challenges of trying to extract meaningful data from a database containing customers who have the name 'Dummy **DO NOT USE**''.
2014-06-23
329 reads
Blogs
RANK() vs DENSE_RANK(): #SQLNewBlogger
By Steve Jones
I haven’t done one of these in awhile, but I saw an article recently...
Using CAT for Testing of Data Agents
In last months one of the scenarios where you can use AI has been...
Are you getting value from your reporting?
By ChrisJenkins
Do you spend so long manipulating your data into something vaguely useful that you...
Forums
Creating JSON II
Comments posted to this topic are about the item Creating JSON II
Engineer Lessons
Comments posted to this topic are about the item Engineer Lessons
Question of the Day
Creating JSON II
On SQL Server 2025, what happens when I run this code:
SELECT JSON_OBJECTAGG( N'City':N'Denver' RETURNING JSON) GOSee possible answers