sql多表联合查询解决方法
日期：2014-05-17 浏览次数：20369 次
sql多表联合查询
这句查询语句要怎么改
------解决方案--------------------
这句查询语句要怎么改
- SQL code
select
Goods.* from Goods
inner join GoodsPreviewPic.* from GoodsPreviewPic
on Goods.goodsNum=GoodsPreviewPic.goodsNum
inner join GoodsModelPic.* from GoodsModelPic
on Goods.goodsNum=GoodsModelPic.goodsNum
where Goods.goodsNum='100001'
------解决方案--------------------
- C# code
select
Goods.* from Goods
inner join (select GoodsPreviewPic.* from GoodsPreviewPic )GoodsPreviewPic
on Goods.goodsNum=GoodsPreviewPic.goodsNum
inner join (select GoodsModelPic.*
from GoodsModelPic)GoodsModelPic on Goods.goodsNum=GoodsModelPic.goodsNum
where Goods.goodsNum='100001'
------解决方案--------------------
- SQL code
select
Goods.* from Goods
inner join GoodsPreviewPic
on Goods.goodsNum=GoodsPreviewPic.goodsNum
inner join GoodsModelPic
on Goods.goodsNum=GoodsModelPic.goodsNum
where Goods.goodsNum='100001'
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