常用myslq命令

1.在root用戶下操作

刪庫語句：DROP DATABASE IF EXISTS dev_teller9;

刪除用戶：DROP USER dev_teller9;

建庫語句:  CREATE DATABASE dev_teller9 DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
建立用戶：create user 'dev_teller9'@'%' IDENTIFIED by 'dev_teller9';
爲用戶授權GRANT ALL PRIVILEGES on `dev_teller9`.* to 'dev_teller9'@'%';
FLUSH PRIVILEGES;
COMMIT ;