ALTER USER

Alter the attributes and privileges of an existing user or role. ROLE and USER are synonymous keywords in this command.

ALTER ROLE role_specification [ WITH ] option [ ... ]

where option can be:

      SUPERUSER | NOSUPERUSER
    | CREATEDB | NOCREATEDB
    | CREATEROLE | NOCREATEROLE
    | INHERIT | NOINHERIT
    | LOGIN | NOLOGIN
    | CONNECTION LIMIT connlimit
    | [ ENCRYPTED | UNENCRYPTED ] PASSWORD 'password'
    | VALID UNTIL 'timestamp'

ALTER ROLE name RENAME TO new_name

ALTER ROLE { role_specification | ALL } [ IN DATABASE database_name ] 
    SET configuration_parameter { TO | = } { value | DEFAULT } | FROM CURRENT
ALTER ROLE { role_specification | ALL } [ IN DATABASE database_name ] 
    RESET configuration_parameter | RESET ALL

where role_specification can be:

role_name | CURRENT_USER | SESSION_USER

For details, see ALTER ROLE.