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Don Burleson Blog

Oracle Drop User Cascade

Oracle Database Tips by Donald Burleson

Oracle Drop User Cascade

In order to drop a user, you must have the Oracle DROP USER system privilege. The command line syntax for dropping a user can be seen below:

DROP USER edward CASCADE;

If a user owns any database objects, that user can only be dropped with the Oracle DROP USER CASCADE command. The Oracle DROP USER CASCADE command drops a user and all owned objects.

The user will not be dropped and an error message will be returned if you a user owns objects and you fail to use the Oracle DROP USER CASCADE command.

As the DROP USER CASCADE command is a DDL command, after the Oracle DROP USER CASCADE command has been executed, a rollback to re-create the user and his objects cannot be completed.

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