Choose your database
Pick a database engine, then choose a learning stack. Each stack is a complete path from fundamentals to production mastery - with real servers, chaos engineering, and an AI tutor.
Start here - the foundation for everything
Linux
The Linux skills every database engineer needs. Seven free, hands-on modules on a real server, before any database track.
1 stack available
The most advanced open source database
PostgreSQL
Master PostgreSQL from installation to production HA clusters. Stacks for cloud engineers, reliability engineers, enterprise DBAs, and more.
6 stacks available
The document database for modern apps
MongoDB
Learn MongoDB operations from single-node fundamentals through replica sets to sharded clusters at scale.
2 stacks available
The world's most popular open source database
MySQL
Build MySQL expertise from InnoDB internals through replication, ProxySQL, and production troubleshooting.
3 stacks available
Every stack includes
The CBUSI methodology
Concepts
Theory and architecture explained clearly. Understand the why before the how.
BUILD
Step-by-step guides to install, configure, and deploy on real servers.
USE
Practice exercises with real workloads that mirror production scenarios.
SURVIVE
Chaos engineering - we break things on purpose and you fix them under pressure.
Interview
Technical interview prep with questions and answers at every skill level.
Ready to level up?
Pick a database, get live servers, and start building real skills in minutes.