MySQL中如何按月统计数据

表finance有俩个字段如下

date date

money double(15,2)

下面需要对表 finance的2010年财务数据，按月进行统计

Sql代码

select DATE_FORMAT(date,'%Y-%m') as month,sum(money) as money
from finance
where DATE_FORMAT(date,'%Y')=2010
group by month
order by month

URL：http://www.bianceng.cn/database/MySQL/201410/46063.htm

下面是按周统计

查看MySQL的manual

%X Year for the week where Sunday is the first day of the week, numeric, four digits; used with %V

%x Year for the week, where Monday is the first day of the week, numeric, four digits; used with %v

其中

1如果周一为一周的第一天,则(小写) DATE_FORMAT(date,'%x %v')

2如果周日为一周的第一天,则(大写) DATE_FORMAT (date,'%X %V')

Sql代码

select DATE_FORMAT(date,'%x年-第%v周') as week,sum(money) as money
from finance_base
where DATE_FORMAT(date,'%Y')=2010
group by week