PostgreSQL 7.2.1 Documentation
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ALTER GROUP

Name

ALTER GROUP  --  add users to a group or remove users from a group

Synopsis

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 add or remove users 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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