DROP USER [ IF EXISTS ] name [, ...]
DROP USER 䯄婘滇 DROP ROLE 䔇彆劉㔗埗黙劯蔙诙埡敘崔媇敇㔗
DROP USER 臺埖滇婔婻 PostgreSQL 䔇欷匘㔗SQL 湺庖檪䫘潙䔇垔幬庴䂍噙嘷垂䯄崇䊖㔗