题解 | 商品销售总额分布
商品销售总额分布
https://www.nowcoder.com/practice/62909494cecd4eab8c2501167e825566
select
case
when u.pay_method = '' then 'error'
else u.pay_method
end as pay_method,
count(*) as num
from
user_client_log u
join product_info p on u.product_id = p.product_id
where
p.product_name = 'anta'
and step = 'select'
group by
u.pay_method
order by
num desc;
出题的是个语文水平不及格的货，做这种题纯属浪费时间
