The definition of a Unit Test

A Test is not a Unit Test if:

  • It talks to the database
  • It communicates across a network
  • It touches the filesystem
  • It can’t run the same time as any of your other unit tests
  • You have to do special things to your environment to run it (e.g. editing config files)
Tagged with: Extreme Programming (XP) Java

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

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

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.