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)
3,368 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
833 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)
2,826 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)
4,393 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
1,135 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
598 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
5,910 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
180 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
339 reads
Blogs
Moving On-Prem PostgreSQL to the Cloud: Picking the Right Path for Big Tables
Every PostgreSQL migration eventually hits the same fork in the road. The database is...
A Spread of Vacation
By Steve Jones
I’m off on vacation today. Which is a little weird as I just got...
How AgentDBA Identifies Backup Failures
By Arun Sirpal
Every DBA has a box like this. Sitting untouched for months. Nobody’s proud of...
Forums
Have you done a Mid year check in?
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From SQL Server On-Premises to Claude Desktop: How I built a Full MCP Pipeline
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Independence Day 2026
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Question of the Day
Independence Day 2026
In the original Independence Day movie (1996), what type of computer did Jeff Goldblum use to connect to the alien mainframe? Take a guess, don't look it up or ask AI.
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