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0、select * from wmg_test; —测试数据 1、select v1,v2,sum(v2) over(order by v2) as sum from wmg_test; –按照 v2排序，累计n+n-1+…+1 2、select v1,v2,sum(v2) over(partition by v1 order by v2) as sum… https://ddsog.com
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0、select * from wmg_test; —测试数据 1、select v1,v2,sum(v2) over(order by v2) as sum from wmg_test; –按照 v2排序，累计n+n-1+…+1 2、select v1,v2,sum(v2) over(partition by v1 order by v2) as sum… https://ddsog.com
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