QueryCase teaches SQL through detective investigations, not exercises.
Chief Fox briefs you on a case, you get a real database, and you write real SQL to crack it. The JOIN matters when a suspect has an alibi.
54 cases · Five detective ranks · Timed exams · Shareable certificates
Free Sandbox: IMDB, Spotify, NBA, Steam, Pokémon data
Investigations mode: no hints, countdown timer
Runs entirely in the browser - nothing to install
Rookie Detective path is completely free to try out!
