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Spot the PostgreSQL Error
Find the bug in each query before your three lives run out. Chase the highest score you can.
♥♥♥three lives, one long run
Choose your mode
A game for people who read PostgreSQL all day
Every round shows one PostgreSQL query with exactly one bug: a quoting slip, a type mismatch, a GROUP BY mistake, or a subtle logic error that still runs but returns the wrong rows. Click the line you think is wrong. Get it right and your streak multiplies your score. Get it wrong and you lose one of three lives.
The bugs are real ones developers hit every day. If you want the full explanation of any of them, each answer links into our PostgreSQL error reference.
Built by the team behind FluentDB, the AI database client for Mac that catches these mistakes as you type.