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SQL for Beginners

SQL Sleuth — Query Quests

SQL Sleuth — Query Quests

Write an SQL query to satisfy each objective. We validate via patterns, so there are multiple valid answers. Keep it ANSI-ish. No database runs here — it’s puzzle-style training.

Ready
Objective
Expected Result
Progress

Datasets

Notes: Use single quotes for strings. Case-insensitive keywords are okay. Semicolon optional.

Hints

    Why this matters

    Tip: Use WHERE, GROUP BY, HAVING, ORDER BY, LIMIT, and JOIN.

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