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怎么让SQL得出的结果下一行减去上一行
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如仿谈果数伏是Sql service 了 可以
select b.相减字段-a.相减备毕碰字段 from(select * from (select Row_Number() over ( order by 排序字段 ) as RN , * from Table Name) where rn%2=0) a
inner join
(select * from (select Row_Number() over ( order by 排序字段 ) as RN , * from Table Name) where rn%2<>0) b on a.rn=b.rn-1
select b.相减字段-a.相减备毕碰字段 from(select * from (select Row_Number() over ( order by 排序字段 ) as RN , * from Table Name) where rn%2=0) a
inner join
(select * from (select Row_Number() over ( order by 排序字段 ) as RN , * from Table Name) where rn%2<>0) b on a.rn=b.rn-1
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