mysql> alter table test rename as T;
Query OK, 0 rows affected (0.21 sec)
//對欄位重新命名 alter table test change t_name t_name_new varchar(20);
mysql> alter table test rename as T;
Query OK, 0 rows affected (0.21 sec)
//對欄位重新命名 alter table test change t_name t_name_new varchar(20);