ALTER USER SQL - Language Statements ALTER USER change a database role ALTER USER ALTER USER name [ [ WITH ] option [ ... ] ] where option can be: SUPERUSER | NOSUPERUSER | CREATEDB | NOCREATEDB | CREATEROLE | NOCREATEROLE | CREATEUSER | NOCREATEUSER | INHERIT | NOINHERIT | LOGIN | NOLOGIN | CONNECTION LIMIT connlimit | [ ENCRYPTED | UNENCRYPTED ] PASSWORD 'password' | VALID UNTIL 'timestamp' ALTER USER name RENAME TO newname ALTER USER name SET configuration_parameter { TO | = } { value | DEFAULT } ALTER USER name SET configuration_parameter FROM CURRENT ALTER USER name RESET configuration_parameter ALTER USER name RESET ALL ALTER USER is now an alias for . The ALTER USER statement is a PostgreSQL extension. The SQL standard leaves the definition of users to the implementation.