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
product_id
,product_name
,type
,price
,dense_rank()over(partition by type order by price desc) rk
from product_info ) t
where rk <= 2
order by price desc,product_name
limit 3
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