MySQL

From a 176-character set built for Japanese pagers to a 3,600-character Unicode standard — and why your emoji breaks in production.

From schema change to production — the complete guide to safe, zero-downtime database migrations.

Redis powers half the internet's caching, but almost nobody knows what it actually is. We break it down from the ground up.

How to build a prompt enhancer that doesn't rewrite your constraints into oblivion.

How to handle overlapping agent skills and whether context windows will ever make the problem go away.

Can you design a relational database using only your voice? We coach a beginner through PostgreSQL from scratch.

Docker made apps portable but left your data stuck. Here's how to actually move volumes between hosts.

Mapping JSON to SQL isn't as simple as it looks. Discover the hidden traps in data types that can cause performance hits and data corruption.

Fork or stay? We're diving deep into customizing open source, weighing ownership, contribution, and the hidden costs of going solo.