题解 | 商品价格排名
商品价格排名
https://www.nowcoder.com/practice/119f5b8cfe5b45779a3e1b3f4d83b341
select product_id,product_name,type,price from (select *,dense_rank() over(partition by type order by price desc) rnk from product_info) new where rnk<3 order by price desc,product_name limit 3
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