In der Ruhe

난이도: EASY 문제 링크: https://leetcode.com/problems/average-selling-price/description/?envType=study-plan-v2&envId=top-sql-50문제더보기Table: Prices+---------------+---------+ | Column Name   | Type    | +---------------+---------+ | product_id    | int     | | start_date    | date    | | end_date      | date    | | price         | int     | +---------------+---------+ (product_id, start_date, end_date) i..

난이도: EASY 문제 링크: https://leetcode.com/problems/not-boring-movies/description/?envType=study-plan-v2&envId=top-sql-50문제더보기Table: Cinema+----------------+----------+ | Column Name    | Type     | +----------------+----------+ | id             | int      | | movie          | varchar  | | description    | varchar  | | rating         | float    | +----------------+----------+ id is the primary key (c..