Aggregates and JOINs

We use combinations of SQL commands, clauses, and functions to obtain information from a database. Typically, tables are combined to create temporary relations, and we apply select statements with clauses, constraints, and functions to obtain the desired information from a database. Watch this example of a query involving select, inner join, and aggregate.

Source: Sven Aelterman,
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Last modified: Monday, October 11, 2021, 11:00 AM