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learningsql.orglesson 19 of 25lesson 19 of 25

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learningsql.org

SQL · 25 lessons

06Aggregation and Grouping22m 07Subqueries25m 08Indexes and Performance20m 09Views and CTEs24m 10Transactions20m 17Date and Time Functions22m 19Set Operations25m 21Constraints And Keys25m

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18Prior lessonNull Handling19 · Set Operationslesson 19 of 25Up nextData Types And Casting20

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learningsql.orgsql/19 · exerciselesson 19 of 25