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
select
user_id
from
order_info
where
date>'2025-10-15' and status='completed' and product_name in ('C++','Java','Python')
group by
user_id
having
count(*)>=2
order by
user_id;
