题解 | #牛客的课程订单分析(四)#
牛客的课程订单分析(四)
http://www.nowcoder.com/practice/c93d2079282f4943a3771ca6fd081c23
（二）改一改就好了
SELECT user_id,min(date),count(product_name)
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
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