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 ('C++','Java','Python')
group by 1
having count(*) >= 2
)
and date >= '2025-10-15'
and status = 'completed'
and product_name in ('C++','Java','Python')
查看6道真题和解析
