题解 | #计算商城中2021年每月的GMV#
计算商城中2021年每月的GMV
http://www.nowcoder.com/practice/5005cbf5308249eda1fbf666311753bf
select
t1.date1,
sum(if(t1.total_amount > 0,t1.total_amount,0)) GMV
from
(
select
date_format(tb.event_time,'%Y-%m') date1,
total_amount
from
tb_order_overall tb
where
year(event_time) = 2021) t1
group by
t1.date1
having GMV > 100000
order by GMV
