我有一个表tblSchedule，下面是其中的值。INSERTINTOtblSchedule(`scheduleID`,`eventID`,`price`,`eventDate`)VALUES(1,1,150,'2013-04-2000:00:00'),(2,1,100,'2013-04-1500:00:00'),(3,2,80,'2013-04-1800:00:00'),(4,3,120,'2013-04-2600:00:00'),(5,3,140,'2013-04-2200:00:00'),(6,2,100,'2013-04-2200:00:00');我想获取按eventDateA