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 Interview Preparation
The skills technical SQL interviews test, then deliberate practice: classic problem patterns, debugging, explaining your logic out loud, business case questions, a take-home project and a timed interview simulation. Builds on the core tracks rather than shortcuts around them.