摘要: select ob.Quantity,ob.UnitPrice ,r.TotalPrice from dbo.OrderBook ob inner join (select OrderId , sum(TotalPrice ) TotalPrice from dbo.Orders gro... 阅读全文
posted @ 2014-05-26 23:21 小菜鸟飞飞 阅读(119) 评论(0) 推荐(0)