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)
3,339 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
816 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)
2,824 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)
4,384 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
1,132 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
595 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
5,904 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
333 reads
Blogs
Stop Using Pandas for Aggregations — Try DuckDB Instead
If you've ever loaded a 2 GB CSV into pandas just to run a...
Understanding Fabric Ontology
By James Serra
What problem is Fabric Ontology trying to solve? For years, most data conversations have...
QUOTENAME Basics: #SQLNewBlogger
By Steve Jones
Recently I ran across some code that used a lot of QUOTENAME() calls. A...
Forums
Stairway to Reliable Database Deployment Level 3 – Rehearsing Changesets Across Environments
Comments posted to this topic are about the item Stairway to Reliable Database Deployment...
QUOTENAME Quote Parameters
Comments posted to this topic are about the item QUOTENAME Quote Parameters
Limit the Blast Radius
Comments posted to this topic are about the item Limit the Blast Radius
Question of the Day
QUOTENAME Quote Parameters
When I use QUOTENAME(), I can optionally provide the character used to surround the string in the result. Can I use any character?
See possible answers