[英]How can I aggregate payment by week or month?
我有这张桌子:
date payment
---- -------
1/1/2014 2000
13/1/2014 1200
2/3/2014 1900
3/4/2014 1800
.... ....
.... ....
我要计算每周付款:
date payment
----- -------
week1 sum(week1)
week2 sum(week2)
.... .....
或每月:
date payment
----- ------
month1 sum(month1)
month2 sum(month2)
..... .....
select extract(week from date) as week,
sum(payment) as payments
from your_table
group by week
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.