【笔记】Mysql常用sql

1、创建用户、赋予权限

CREATE USER 'scadm' IDENTIFIED BY 'scadm';
GRANT ALL ON `db1`.* TO 'scadm';
GRANT ALL ON `db2`.* TO 'scadm';
GRANT ALL ON `db3`.* TO 'scadm';

revoke all on db3.* from scadm;  //撤销权限