Master MySQL with 8 interactive modules, 39 lessons, and 40 hands-on exercises. Write real SQL in a live sandbox that runs directly in your browser. Animated visualizations show how JOINs, indexes, and GROUP BY actually work inside MySQL. From your first SELECT to reading EXPLAIN plans.
100% free, 100% private — everything runs in your browser using WebAssembly. No account required. Built by ReliaDB, MySQL & PostgreSQL DBA consultants.