题解 | #牛客的课程订单分析(三)#
牛客的课程订单分析(三)
https://www.nowcoder.com/practice/4ae8cff2505f4d7cb68fb0ec7cf80c57
select * from order_info where user_id in ( select a.user_id from ( select * from order_info where date > '2025-10-15' and status = 'completed' and product_name in ('C++', 'Python','Java') ) a group by a.user_id having count(*) >=2 ) and date > '2025-10-15' and status = 'completed' and product_name in ('C++', 'Python','Java') order by id