"select (select LogisticsCompanyName from tb_LogisticsCompany where LogisticsCompanyID=a.LogisticsCompanyID) as 'LogisticsCompanyName',a.LogisticsCompanyOrderfrom,a.OrderfromID,b.MemberName,case a.OrderfromState when 0 then '等待发货' when 1 then '已发货' end as OrderfromState,a.AppendTime from tb_Orderfrom a inner join DeliverGoods_Address b on a.DeliverGoods_AddressID=b.ID where b.MemberID=(select MemberID from tb_Member where MemberName='{0}')"
dddddddddd
ddddddd
select *
(select LogisticsCompanyName from tb_LogisticsCompany where LogisticsCompanyID=a.LogisticsCompanyID)
as 'LogisticsCompanyName',
a.LogisticsCompanyOrderfrom,
a.OrderfromID,b.MemberName,
case a.OrderfromState
when 0 then '等待发货'
when 1 then '已发货' end
as OrderfromState,a.AppendTime
from tb_Orderfrom a
inner join DeliverGoods_Address b
on a.DeliverGoods_AddressID=b.ID
where b.MemberID=(select distinct MemberID from tb_Member where MemberName='{0}'
)
什么问题？
要保证select distinct MemberID from tb_Member where MemberName='{0}'
这句查出来的结果唯一才行
，否则就这样
select *
(select LogisticsCompanyName from tb_LogisticsCompany where LogisticsCompanyID=a.LogisticsCompanyID)
as 'LogisticsCompanyName',
a.LogisticsCompanyOrderfrom,
a.OrderfromID,b.MemberName,
可能因为工作的原因 接触数据库这块比较少，之前都是做程序这块，数据库这块都有专门的人来做 分工都很明细 所以对数据库这一块完全不了解。前段时间 去面试了几家公司 几乎都是在数据库这块挂掉的 连个简单的SQ ......
现在有两张表：文章主表A(articleId,articleTitle)，文章评论表B(commentId,articleId,commentTitle)
现在我想实现这样的功能：列出文章列表，其中每篇文章标题下面列出此文章的前2个文章评论，请问sql语句怎么写啊 ......
tab1 字段:billdate,goodsid,incount,inmoney,outcount,outmoney,endprice,endcount,endamt
tab2 字段:goodsid,goodskind（商品类型）
tab3 字段:goodskind（商品类型）,kindname
结果：
得到商品类型在一段时间 ......
公司开发一个触摸屏程序，我负责的一块，实现这样一个功能，当鼠标点击窗口中图片（一张图分成几部分）的其中一部分时，将这部分图片截取出来，弹出新的窗口，将截取出的图片显示出来。我使用Rectange类控制了返回， ......
