题解 | #牛客的课程订单分析(二)#
牛客的课程订单分析(二)
https://www.nowcoder.com/practice/4ca4137cb490420cad06d2147ae67456
with inter as (select *
from order_info
where date > '2025-10-15'
and status = 'completed'
and product_name in ('C++', 'Java', 'Python'))
select user_id
from inter
group by user_id
having count(user_id) >= 2
order by user_id;
