leetcode

題目 Table: Buses +--------------+------+ | Column Name | Type | +--------------+------+ | bus_id | int | | arrival_time | int | | capacity | int | +--------------+------+ bus_id is the primary key column for this table. Each row of this table contains information about the arrival time of a bus at the LeetCode station and its capacity (the number of empty seats it has). No two buses will arrive...

題目 Table: Products +-------------+---------+ | Column Name | Type | +-------------+---------+ | product_id | int | | store | varchar | | price | int | +-------------+---------+ (product_id, store) is the primary key for this table. Each row of this table indicates the price of product_id in store. There will be at most 30 different stores in the table. price is the price of the product at this store....