导读：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?
?
1
2
3
4
5
6
select
year(AA_YWRQ) as YEARS,
month(AA_YWRQ) AS Months ,AA_YWLX,count(AA_YWLX) as Number
fromAA
group by year(AA_YWRQ),
month(AA_YWRQ),AA_YWLX
表中数据：
查询后的结果：
