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
860 reads
Gail Shaw
- Interests: Computer Graphics, Aikido, Roleplaying
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)
2,840 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)
4,425 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
1,144 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
1,177 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
603 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
5,938 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
194 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
349 reads
How to Post Performance Problems
How do you get help? You can post a question on SQLServerCentral, but to get the most help you can, read this article from MVP Gail Shaw.
2014-01-17 (first published: 2009-06-12)
66,083 reads
Blogs
T-SQL Tuesday #203: Risk and Reward
By Steve Jones
This is timely, as I’m currently on a boat in the Adriatic taking a...
dataMinds Connect 2026 – Slides & Scripts
You can find the slides and SQL scripts for my session “Spice up your...
How to Clear the SSMS Cache (SSMS 21 and Later)
By SQLPals
How to Clear the SSMS Cache (SSMS 21 and Later) Updated...
Forums
Risk Vs Reward, The never ending ROI discussion.
Comments posted to this topic are about the item Risk Vs Reward, The never...
Hyperscale Replicas IV
Comments posted to this topic are about the item Hyperscale Replicas IV
The SQL Server Date Magic: When CAST and CONVERT Keep Your Index Seek
Comments posted to this topic are about the item The SQL Server Date Magic:...
Question of the Day
Hyperscale Replicas IV
In Azure SQL Database Hyperscale Edition, how many geo-replicas can be created?
See possible answers