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='C++' or product_name='Java' or product_name='Python') group by user_id having count(status)>=2 order by user_id
