先看下面的一个表格,我们从左边的两列信息来统计出右边的结果。
select *
, 排名 = rank ()over (partition by name order by val )
, 占比 = cast (val * 1.0 / sum (val )over (partition by name ) as decimal (2 , 2 ))
, 距最大 = val - max (val )over (partition by name )
, 距最小 = val - min (val )over (partition by name )
, 距平均 = val - avg (val )over (partition by name )
from tb
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