SQL Quest

Lessons, hints, explained solutions, the in-browser PostgreSQL editor and practice answer checks in your browser are available. Graded assessments, recorded progress from answer checks and new certificates aren't available yet.

SQL for Developers

For developers who want to be genuinely good at the database layer: data modelling with keys and constraints, safe inserts, updates and deletes, transactions, views and schema changes, plus query plans and indexing. The capstone tunes analysis queries on a large event store using real execution plans.