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【ROW_NUMBER 函数(Transact-SQL)】

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【ROW_NUMBER 函数(Transact-SQL)】返回结果集分区内行的序列号,每个分区的第一行从 1 开始。 注释: ROW_NUMBER() OVER (PARTITION BY COL1 ORDER BY COL2) --(其中,COL1,COL2可以为多列) select xt.id,xt.item,xt.attribute1,xt.attribute2,ROW_NUMBER(

【ROW_NUMBER 函数(Transact-SQL)】返回结果集分区内行的序列号,每个分区的第一行从 1 开始。

注释: ROW_NUMBER() OVER (PARTITION BY COL1 ORDER BY COL2) --(其中,COL1,,COL2可以为多列)

select xt.id, xt.item, xt.attribute1, xt.attribute2, ROW_NUMBER() OVER(PARTITION BY xt.id,xt.item order by xt.id,xt.item) test from xxuts_test xt

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