Code School of Analytics

SQL Practice

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

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

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