SQL Detective

Every query leaves a clue.

🔎 Solve 30 SQL investigations

Read the evidence, inspect the query and find the mistake.

Cases include

• SELECT & WHERE
• ORDER BY & GROUP BY
• JOIN
• NULL & Aggregations
• INSERT, UPDATE & DELETE
• Subqueries
• SQL Security
• Performance & Database Design

🎮 Features

• 30 SQL challenges
• 3 difficulty levels
• Score & streak system
• 3 lives per investigation
• Optional timer
• Hints
• Achievements
• Local progress saving
• Responsive & offline-capable

🎓 Made for

Students, beginner developers and anyone learning or practising SQL.

No account. No server. No ads. No tracking.

Your progress is saved locally in your browser.

📦 Version 1.0.0

The first public release of SQL Detective.

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