參考:http://www.cnblogs.com/Magicam/archive/2013/07/22/3207382.html
權限問題,授權 給 root 所有sql 權限
mysql> grant all privileges on *.* to root@"%" identified by ".";
Query OK, 0 rows affected (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)