Code School of Analytics

SQL Practice

Real-life business problems on real tables. Read the scenario, write the query, and get it checked instantly.

Leaderboard
All topicsSELECT & FilteringSorting & LimitsAggregationJoinsString & Date FunctionsWindow FunctionsSubqueriesNULL & CASECTEs & RecursionSet OperatorsAnalytics Patterns
All levelsBasicIntermediateExpert
Basic10 pts

Customers from Lahore

SELECT & Filtering

Solve challenge
Basic10 pts

VIP outreach in emerging markets

SELECT & Filtering

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Basic10 pts

Flagged card payments for the fraud desk

SELECT & Filtering

Solve challenge
Basic10 pts

Well-paid 2025 hires in Western Europe

SELECT & Filtering

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Basic10 pts

Long-haul legs over 9,000 km

SELECT & Filtering

Solve challenge
Basic10 pts

Premium fans in Brazil, Mexico and Turkey

SELECT & Filtering

Solve challenge