SqlServer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? ? 1 2 3 4 5 6 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：

　　比如：统计表AA中YWLX列在某年某月每种类型各有多少?
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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：