|The PostgreSQL 9.0 Reference Manual - Volume 1B - SQL Command Reference
by The PostgreSQL Global Development Group
Paperback (6"x9"), 488 pages
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1.90 DROP ROLE
DROP ROLE -- remove a database role
DROP ROLE [ IF EXISTS ] name [, ...]
DROP ROLE removes the specified role(s).
To drop a superuser role, you must be a superuser yourself;
to drop non-superuser roles, you must have
A role cannot be removed if it is still referenced in any database
of the cluster; an error will be raised if so. Before dropping the role,
you must drop all the objects it owns (or reassign their ownership)
and revoke any privileges the role has been granted. The
commands can be useful for this purpose.
However, it is not necessary to remove role memberships involving
DROP ROLE automatically revokes any memberships
of the target role in other roles, and of other roles in the target role.
The other roles are not dropped nor otherwise affected.
- Do not throw an error if the role does not exist. A notice is issued in this case.
- The name of the role to remove.
PostgreSQL includes a program
dropuser that has the
same functionality as this command (in fact, it calls this command)
but can be run from the command shell.
To drop a role:
DROP ROLE jonathan;
The SQL standard defines
DROP ROLE, but it allows
only one role to be dropped at a time, and it specifies different
privilege requirements than PostgreSQL uses.
|ISBN 9781906966058||The PostgreSQL 9.0 Reference Manual - Volume 1B - SQL Command Reference||See the print edition|