MySQL 8 utf8mb4_0900_ai_ci collation confusion
Recently I was asked a question: Why am I getting utf8mb4_0900_ai_ci as the default collation in MySQL 8, despite setting the server to use utf8mb4_general_ci? With the upgrade to MySQL…
AI tools – technology and kids
AI tools like ChatGPT, GROK, Meta and Gemini are taking off, and as parents, it’s easy to feel the pressure to keep our kids up to speed. The message out…
Podcast: Duplicate Indexes in MySQL
In this podcast, we’ll explore the issue of duplicate indexes in MySQL; including redundant index, foreign keys, left-prefixed secondary index /w primary key, and how to tackle the issue at…
MySQL Podcast – Practical Learning & Training
Hello, readers! I’m excited to announce the launch of my latest project: a dedicated MySQL Podcast! As a long-time MySQL enthusiast with extensive hands-on experience in database management, I understand…
MySQL Change Buffer – What When and FAQ
In the world of database management, efficiency is key. MySQL’s change buffer is a powerful feature that helps optimize how secondary index changes are managed. The idea of introducing a…
Understanding Return Codes of pt-upgrade: A quick guide
Interpreting the results and exit codes of your upgrade tests is essential for assessing the process’s outcome. In this blog, we’ll explore the significance of pt-upgrade return codes and how…