160+ interactive exercises. Real queries. Real formulas.
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Practice real SQL queries and Google Sheets formulas on business data. Build the muscle memory used in analyst, operations, and data roles. Track progress, unlock deeper exercises, and prepare for interviews — all in one place.
See exactly what your query returns. Compare it to the expected result in seconds.
From SELECT to window functions and CTEs. 40+ exercises. Free tier to start.
Business data. Interview-style problems. The SQL you actually use at work.