SELECT
id,user_id,product_name,status,client_id,date
FROM order_info
WHERE date > '2025-10-15'
AND status = 'completed'
AND user_id IN ( SELECT user_id FROM(SELECT
user_id,
COUNT(product_name) AS DC1
FROM order_info
WHERE date > DATE("2025-10-15")
AND status = 'completed'
AND product_name IN ('C++', 'Java', 'Python')
GROUP BY user_id
order by user_id
) AS GJJJ
WHERE GJJJ.DC1 >= 2)
AND product_name IN ('C++','Java','Python')
order by id
id,user_id,product_name,status,client_id,date
FROM order_info
WHERE date > '2025-10-15'
AND status = 'completed'
AND user_id IN ( SELECT user_id FROM(SELECT
user_id,
COUNT(product_name) AS DC1
FROM order_info
WHERE date > DATE("2025-10-15")
AND status = 'completed'
AND product_name IN ('C++', 'Java', 'Python')
GROUP BY user_id
order by user_id
) AS GJJJ
WHERE GJJJ.DC1 >= 2)
AND product_name IN ('C++','Java','Python')
order by id
「求助大佬帮看看这道算法题吧!」有很多同学在牛客购买课程来学习,购买会产生订单存到数据库里。 有一个订单信息表(order_info),简况如下: id user_id product_nam...
https://gw-c.nowcoder.com/api/sparta/jump/link?link=https%3A%2F%2Fwww.nowcoder.com%2Fpractice%2F4ae8cff2505f4d7cb68fb0ec7cf80c57
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07-13 10:24
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