MySQL日常维护

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 hive.* TO 'hiveuser'@'192.168.251.0/255.255.255.0' IDENTIFIED BY '999FAG89Awuy';
FLUSH PRIVILEGES;

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