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DROP ROLE(7)                     SQL Commands                     DROP ROLE(7)



NAME
       DROP ROLE - remove a database role


SYNOPSIS
       DROP ROLE [ IF EXISTS ] name [, ...]


DESCRIPTION
       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 CREATEROLE privilege.

       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 REASSIGN OWNED [reassign_owned(7)] and DROP OWNED [drop_owned(7)]
       commands can be useful for this purpose.

       However, it is not necessary to remove role memberships involving the role; 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.

PARAMETERS
       IF EXISTS
              Do not throw an error if the role does not exist. A notice is issued in this case.

       name   The name of the role to remove.

NOTES
       PostgreSQL  includes a program dropuser [dropuser(1)] that has the same functionality as this command (in fact,
       it calls this command) but can be run from the command shell.

EXAMPLES
       To drop a role:

       DROP ROLE jonathan;


COMPATIBILITY
       The SQL standard defines DROP ROLE, but it allows only one role to be dropped at a time, and it specifies  dif-
       ferent privilege requirements than PostgreSQL uses.

SEE ALSO
       CREATE ROLE [create_role(7)], ALTER ROLE [alter_role(7)], SET ROLE [set_role(7)]



SQL - Language Statements         2014-02-17                      DROP ROLE(7)