ALTER GROUP

PostgreSQL
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ALTER GROUP

Name

ALTER GROUP — Add users to a group, remove users from a group

ALTER GROUP name ADD USER username [, ... ]
ALTER GROUP name DROP USER username [, ... ]

Inputs

name: The name of the group to modify.
username: Users which are to be added or removed from the group. The user names must exist.

Outputs

ALTER GROUP: Message returned if the alteration was successful.

Description

ALTER GROUP is used to change add users to a group or remove them from a group. Only database superusers can use this command. Adding a user to a group does not create the user. Similarly, removing a user from a group does not drop the user itself.

Use CREATE GROUP to create a new group and DROP GROUP to remove a group.

Usage

Add users to a group:

ALTER GROUP staff ADD USER karl, john

Remove a user from a group

ALTER GROUP workers DROP USER beth

Compatibility

SQL92

There is no ALTER GROUP statement in SQL92. The concept of roles is similar.

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