Distributed Availability Group Health: T-SQL and Zabbix
Spotting synchronization disconnects between a primary and a secondary data center in a distributed availability group configuration can be hard, so here are valuable tools to help you with it
Start Fixing Your DB with Better Code
The best way to improve your database performance is with better code. We all know that, but few of us actually end up making those changes.
Secure PostgreSQL in Docker: SSL, Certificates & Config Best Practices
Running Postgres in Docker is great for a quick test but what if you want it to behave like a proper, production-style setup with SSL encryption, certificate-based authentication, persistent volumes, and custom configurations? In this article, we’ll find out how
Is Rolling Back The Same as Failing?
When you must rollback a deployment of changes, is that a failure of the process? The development effort? Or something else?
Stairway to Azure SQL Hyperscale – Level 3: RBPEX Caching Layer Internals
In this level of the Stairway to Azure SQL Hyperscale we learn about the read-only layer that speeds up queries.
Use SQL to Find a String in Database Tables, Stored Procedures, and User Defined Functions
Searching for a string in database tables has been discussed over the years. There are several approaches to the problem (see References at the end of the article). See how to use SQL to find a string in different types of SQL Server objects and data.
Find Invalid Objects in SQL Server
This article shows how you can find which objects in your database might not be valid after schema changes.
Getting Fired
When should a DBA get fired? Steve Jones thinks it should be rare and gives you two cases.
SQL Server 2025 Makes Memory Troubleshooting Easier.
SQL Server 2025 introduces a new sys.dm_os_memory_health_history view to make it easier for meatbags like you and robots like Copilot to know if the SQL Server has been under memory pressure recently.
Lessons from the Postmark-MCP Backdoor
The Koi Security team recently uncovered the first known, malicious MCP server in the wild: a package called postmark-mcp, downloaded over 1,500 times per week, that silently BCCs every outgoing email to an attacker-controlled domain. So, what happened? High-level, a lot: The attacker cloned the legitimate Postmark MCP repository, made one small but nefarious change […]
Blogs
SQL Training Black Friday Deals
By Brian Kelley
If you're looking for particular "Black Friday" deals, here is what I've seen advertised...
Dry-run xp_delete_file Before Actually Deleting Files?
By SQLPals
Dry-run xp_delete_file Before Actually Deleting Files? xp_delete_file doesn’t really have a...
Happy Thanksgiving! (USA Holiday)
By Brian Kelley
In the United States, today is Thanksgiving. The intent behind the holiday is to...
Forums
Don't Let Corner Cases Drive Your Design
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A New Operator
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Troubleshooting Common SQL Server Errors: 823, and 824
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Question of the Day
A New Operator
In SQL Server 2025, what does this code return?
SELECT '1' || '0'See possible answers