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Oracle/DB2/Postgresql/Mysql/Hadoop/Greenplum/Postgres-xl/Mongodb

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分类: Mysql/postgreSQL

2012-05-02 18:15:47

DROP OWNED
NameDROP OWNED -- remove database objects owned by a database role
Synopsis DROP OWNED BY name [, ...] [ CASCADE | RESTRICT ]
Description

DROP OWNED drops all the objects in the current database that are owned by one of the specified roles. Any privileges granted to the given roles on objects in the current database will also be revoked.

Parameters
name

The name of a role whose objects will be dropped, and whose privileges will be revoked.

CASCADE

Automatically drop objects that depend on the affected objects.

RESTRICT

Refuse to drop the objects owned by a role if any other database objects depend on one of the affected objects. This is the default.

Notes

DROP OWNED is often used to prepare for the removal of one or more roles. Because DROP OWNED only affects the objects in the current database, it is usually necessary to execute this command in each database that contains objects owned by a role that is to be removed.

Using the CASCADE option may make the command recurse to objects owned by other users.

The command is an alternative that reassigns the ownership of all the database objects owned by one or more roles.

Compatibility

The DROP OWNED statement is a PostgreSQL extension.

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