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, https://www.youtube.com/watch?v=mIzHIiTWKgM
Creative Commons License This work is licensed under a Creative Commons Attribution 3.0 License.

Last modified: Thursday, December 17, 2020, 4:53 PM