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Sql Server统计表中某年某月某个值有多少?

比如:统计表AA中YWLX列在某年某月每种类型各有多少?

select
year(AA_YWRQ) as YEARS,
  month(AA_YWRQ) AS Months ,AA_YWLX,count(AA_YWLX) as Number 
from  AA
group by year(AA_YWRQ),
  month(AA_YWRQ),AA_YWLX
表中数据:

查询后的结果:



最后更新:2017-04-03 12:55:39

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