刪除user: revoke all on database databasename from username; (databasename:數據庫名,username:用戶名,收回此需刪除的用戶對數據庫的全部權限) (注:當前數據庫有默認schema:public,試試這個) DROP user username;(如今刪除就不會有任何權限受限而刪除失敗) GRANT ALL PRIVILEGES ON DATABASE databasename TO username;
somedatabase=# REVOKE SELECT ON sometable FROM user; REVOKE somedatabase=#