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