Union, Minus & Intersect: Databases for Developers #15

The set operators allow you to combine many tables into one. These come in three varieties:

Union
Intersect
Minus

Watch this video to learn how they work. And find out how you can use them to compare the contents of two tables, giving you a report of the differences.

Want more?
https://docs.oracle.com/en/database/oracle/oracle-database/18/sqlrf/Set-Operators.html

Need help with SQL? Ask us over on AskTOM: https://asktom.oracle.com

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The Magic of SQL with Chris Saxon

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