1. 접근 권한 부여 create user '[ID]'@'[IP]' identified by '[PW]'; grant all privileges on [ID].* to '[ID]'@'[IP]'; 또는 grant all privileges on [ID].* to '[ID]'@'[IP]' identified by '[PW]'; flush privileges; 2. 접근 권한 해제 revoke all privileges on [ID].* from '[ID]'@'[IP]'; 3. 계정 삭제 DROP USER '[ID]'@'[IP]';