删除MySQL 账号 use mysql delete from user where user='xiewenming'; 授权账号密码 GRANT SELECT,INSERT,UPDATE,DELETE ON ambari.* TO 'ambariuser'@'192.168.251.0/255.255.255.0' IDENTIFIED BY '898FAG8Aw9uy'; FLUSH PRIVILEGES; GRANT SELECT,INSERT,UPDATE,DELETE ON hiv…