题解 | #牛客的课程订单分析(二)#

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 1
having sum(user_id) > user_id
order by user_id