SQL Saturday #327 - Johannesburg
SQL Saturday is coming to Johannesburg on August 30. Join in for a free day of SQL Server training and networking. Register while spaces are available.
The SQL of Membership: Equivalence Classes & Cliques
It is awkward to do 'Graph databases' in SQL to explore the sort of relationships and memberships in social networks because equivalence relations are classes (a set of sets) rather than sets. However one can explore graphs in SQL if the relationship has all three of the mathematical properties needed for an equivalence relationship.
Introducing the Columnstore Index
A brief overview of Columnstore index and its usage with an example
What do you consider important when performance testing?
What data specific considerations do you make when preparing for performance testing?
The Road To Hell - new article from the DBA Team
Joe Celko & Chris Date guest as the sinister Relational Police in this new DBA Team adventure. Can the DBA Team save another doomed database? Find out.
Getting Started with Hashing in SQL Server
Encryption brings data into a state which cannot be interpreted by anyone who does not have access to the decryption key, password, or certificates. Hashing brings a string of characters of arbitrary size into a usually shorter fixed-length value or key. Here's how to get started using it.
Getting It Right First Time. Almost?
Mistakes happen but how can we minimize them and deal with them whey they do happen?
Linked Server Tribulations In SQL Server
In this article, Thomas chronicles the difficulties of troubleshooting a linked server set up, with helpful tips and an exposé of a Linked Server UI flaw.
Blogs
Houston AI-Lytics 2026–Powerpoint Slides
By Steve Jones
Thanks to everyone for attending my session on running a Local LLM. If you...
The Book of Redgate: Do the Right Things
By Steve Jones
I do believe that Redgate has been very customer focused since it’s inception. I’ve...
GenAI vs Dashboards: Not the Same (And Never Will Be)
By James Serra
There’s a question I’ve been hearing more and more lately, especially as Copilot, Fabric,...
Forums
Warning: Could not open global shared memory to communicate with performance DLL
Hi everyone I am getting below warning when I run SSIS: Warning: 0x80049304 at...
Let's Talk Community Events!
Comments posted to this topic are about the item Let's Talk Community Events!
that one limitation in replication
Hi as shown below a replication target requires a primary key. if we want...
Question of the Day
Detecting Deadlocks
By default, how often is the SQL Server Database Engine checking for deadlocks?
See possible answers