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