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如何取根据products_id为6取它的下一条记录

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Release: 2016-06-13 13:09:37
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怎么取根据products_id为6取它的上一条记录。
怎么取根据products_id为6取它的上一条记录。
注意不能用products_id

------解决方案--------------------
select * from tt where products_id------解决方案--------------------
select * from tt where price.products_id

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