授權MySQL root 用戶所有權限

-- 登錄
mysql -u root -p
-- 查詢mysql用戶
select user,host,authentication_string from mysql.user;
-- 切換到mysql庫
use mysql;
-- 修改root用戶host
update user set host='%' where user='root';
-- 授權
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%';
-- 刷新
FLUSH PRIVILEGES;