题解 | #牛客的课程订单分析(二)#
牛客的课程订单分析(二)
http://www.nowcoder.com/practice/4ca4137cb490420cad06d2147ae67456
SELECT user_id
FROM order_info
WHERE product_name in('C++','JAVA','Python')
and status ='completed'
and date>'2025-10-15'
GROUP BY user_id
HAVING count(status)>=2
order by user_id
