Christopher Rangel
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Tracing the bad data
Data & Databases
Field notebook
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.
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