Tracing the bad data

Data & Databases

Production is returning wrong data

Start Level 1 →

Level 1 The structure 4 terms · 15 XP Start Level 2 Getting the data 4 terms · 20 XP Locked Level 3 Keeping it healthy 4 terms · 25 XP Locked

A database schema — tables, columns, primary keys, and foreign-key relationships — in three panels. Reveals one strip per level.

Data Match Match three data tiles to join the right tables.