摘要：
select v.Branch, v.Store, v.ChildId,SUM(r.Cash) from OrderDetail as r inner join Order as v on r.OrderId equals v.Id where r.OrderId == 123 group by v 阅读全文
摘要：
###报错信息： Cannot insert explicit value for identity column in table 'Order' when IDENTITY_INSERT is set to OFF. ###分析： 报错解析：不能往Order表的自增字段插入值 通常情况下，不能向 阅读全文