授权远程的IP访问数据库mysql

GRANT ALL PRIVILEGES ON *.* TO 'root'@'192.168.4.2' IDENTIFIED BY '123456' WITH GRANT OPTION;

如果出现错误“Your password does not satisfy the current policy requirements”

执行：set global validate_password_policy=0;

返回Query OK, 0 rows affected (0.00 sec)后重新执行上句

返回Query OK, 0 rows affected, 1 warning (0.02 sec) 后，执行下句

flush privileges;