( SELECT DISTINCTROW `User` , `Host` FROM `mysql` . `user` ) UNION ( SELECT DISTINCTROW `User` , `Host` FROM `mysql` . `db` ) UNION ( SELECT DISTINCTROW `User` , `Host` FROM `mysql` . `tables_priv` ) UNION ( SELECT DISTINCTROW `User` , `Host` FROM `mysql` . `columns_priv` ) UNION ( SELECT DISTINCTROW `User` , `Host` FROM `mysql` . `procs_priv` ) ORDER BY `User` ASC , `Host` ASC 