摘要: Join操作SELECT Persons.LastName, Persons.FirstName, Orders.OrderNoFROM PersonsINNER JOIN OrdersON Persons.Id_P=Orders.Id_PORDER BY Persons.LastNameINNER... 阅读全文
posted @ 2015-04-05 00:35 buptubuntu 阅读(87) 评论(0) 推荐(0)