网站介绍:文章浏览阅读493次。转载来源:http://www.cnblogs.com/Kazaf/archive/2011/06/30/2094015.htmlrow_number() OVER (PARTITION BY COL1 ORDER BY COL2)表示根据COL1分组,在分组内部根据 COL2排序,而此函数计算的值就表示每组内部排序后的顺序编号(组内连续的唯一的)SELECT G.*, ROW_NU..._select row_number() over (partition by xx order by xx desc) rown
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