做一个电子商务,需要对多个字段做查询统计。题目见一楼,请指教!
场景:有TTrans(交易记录表)一张,关键字段有FID(主键),FCardNo(卡号),FTotalAmt(交易总金额),FTransDate(交易时间)
统计:统计出2013年每月的营业总金额、发生交易的卡数,交易记录数量。
附:先贴出小弟写的一条统计语句,求指点
declare @Year int
set @Year = 2013
select m as [FMonth],
sum(
case when datepart(month,t1.FTransDate ) = m then t1.FTotalAmt
else 0
end
) as [FTotalAmt]
from TTrans t1
, (
select 1 m
union all select 2
union all select 3
union all select 4
union all select 5
union all select 6
union all select 7
union all select 8
union all select 9
union all select 10
union all select 11
union all select 12
) [month]
where @Year=year(t1.FTransDate)
group by [month].m
order by [FMonth] asc
[解决办法]
贴到sql 里运行看看哦。 [month] t1 关系好像没建立吧。