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 status = 'completed' and date > '2025-10-15' and (product_name = 'C++' or product_name = 'Java' or product_name ='Python') order by id


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