题解 | #牛客的课程订单分析(一)#
牛客的课程订单分析(一)
https://www.nowcoder.com/practice/d3aa5df807f046bea5003dbc04965d67
select *
from order_info
where datediff(`date`, '2025-10-15') > 0
and status = 'completed'
and product_name in ('C++', 'Python', 'Java')
order by id;
