常用myslq命令

1.在root用户下操作

删库语句：DROP DATABASE IF EXISTS dev_teller9;

删除用户：DROP USER dev_teller9;

建库语句:  CREATE DATABASE dev_teller9 DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
建立用户：create user 'dev_teller9'@'%' IDENTIFIED by 'dev_teller9';
为用户授权GRANT ALL PRIVILEGES on `dev_teller9`.* to 'dev_teller9'@'%';
FLUSH PRIVILEGES;
COMMIT ;