Today’s interesting MySQL Error Message

You have to love error messages some times. Today in MySQL is was “ERROR 1289 (HY000): The ‘UNKNOWN’ feature is disabled;”

What was even more interesting is the error message and indeed the error number changed across different versions. I took the time to also review the error in the current versions of 5.0, 5.1 and 6.0.

5.0.37/5.0.51a – ERROR 1289 (HY000): The ‘InnoDB’ feature is disabled; you need MySQL built with ‘InnoDB’ to have it working
5.1.19/5.1.23/6.0.4 – ERROR 1286 (42000): Unknown table engine ‘InnoDB’
6.0.0 – ERROR 1289 (HY000): The ‘UNKNOWN’ feature is disabled; you need MySQL built with ‘UNKNOWN’ to have it working

You can read more at Bug #29373

Tagged with: Databases MySQL

Building your first VillageSQL Extension with AI skills

Building your first VillageSQL Extension with AI skills

This is a technical walkthrough of the vsql-extension-builder recently released May 28 at Percona Live Bay Area 2026 and found at https://github.com/villagesql/villagesql-skills . Highlights Install VillageSQL pre-built binary first Install SDK with pre-built binary second Install the skill Run it with your AI tool The output can be found at https://github.

Why using production workloads over simulated workloads is critical

Why using production workloads over simulated workloads is critical

AI-Assisted SQL Tuning Last week in his keynote speech at Percona Live Bay Area 2026 , Andy Pavlo presented Databases: The Final Boss of Agents and provided some useful insights into query optimization of simulated workloads leveraging AI.

Improving your MySQL Security Posture Presentation

Improving your MySQL Security Posture Presentation

At the MySQL BR Conference 2025 I had the opportunity to speak about Improving Your MySQL Security Posture. You can find a copy of my slides on my Presentations , and a Portugese (Brazil) translation.