錯誤：
mysql> set password for root@localhost=password('Mysql123456')；
-> ;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'password('Mysql123456')；' at line 1
解決辦法：
ALTER USER 'root'@'localhost' IDENTIFIED BY 'Mysql123456';
刷新權限：
flush privileges;