摘要：
1.表结构mysql> select * from allStudents;+----+-------+| id | name |+----+-------+| 1 | ???? || 2 | ???? || 3 | ???· | 4 | four |+----+-------+4 rows in set (0.00 sec)mysql> select * from currentStudents;+----+--------+| id | name |+----+--------+| 1 | luowen || 3 | 毛毛想 |+----+--------+2.... 阅读全文
