| grant all privileges on database.* to user@localhost identified by 'passwd'; |
2.刷新权限
| flush privileges; |
3. 显示授权
| show grants; |
4. 移除授权
| revoke delete on *.* from 'jack'@'localhost'; |
5. 删除用户
| drop user 'jack'@'localhost'; |
6. 给用户改名
| rename user 'jack'@'%' to 'jim'@'%'; |
7. 给用户改密码
| SET PASSWORD FOR 'root'@'localhost' = PASSWORD('123456'); |
8. 删除数据库
| drop database test; |
9. 从数据库导出文件
| select * from a into outfile "~/abc.sql" |










