SQL Skills Lab
Hands-on database practice sessions
Session 0: SQL Quick Reference
Quick reminder of key concepts • Scan before sessions
Session 1: Query Debugging
Fix 3 broken queries (Easy → Medium → Hard) • 15-20 minutes
Session 2: Understanding JOINs
Master INNER JOIN and LEFT JOIN • 15-20 minutes
Session 3: Schema Analysis
Spot 3 design problems (Easy → Medium → Hard) • 15-20 minutes
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