题解 | 查询订单
查询订单
https://www.nowcoder.com/practice/5ae7f48dc94f4a76b0ade40b70caf308
select t1.order_id,t1.customer_name,t1.order_date from( select orders.order_id ,customers.customer_name, orders.order_date,rank() over(partition by orders.customer_id order by orders.order_date desc) as paiming from orders left join customers using(customer_id) ) t1 where t1.paiming=1 ;
开窗函数秒了
