题解 | 商品价格排名
商品价格排名
https://www.nowcoder.com/practice/119f5b8cfe5b45779a3e1b3f4d83b341
with a as(
select *,
dense_rank() over(partition by type order by price desc) as rk
from product_info
),
b as(
select *
from a
where rk<=2
)
select product_id,product_name,type,price
from b
order by price desc,product_id
limit 3;
