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Oracle如何分组排序并产生序号
分组序号
select row_number() over(partition by a.storerkey,a.sku order by a.storerkey,a.sku,a.adddate) cno,a.sku,a.adddate from itrn a
order by a.storerkey,a.sku,a.adddate
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原文地址:https://www.cnblogs.com/mikemao/p/1325205.html
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