
SQL | LeetCode 1321. 7일 단위 평균으로 매출 분석하기
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Computer Science/SQL
Table: Customer+---------------+---------+| Column Name | Type |+---------------+---------+| customer_id | int || name | varchar || visited_on | date || amount | int |+---------------+---------+In SQL,(customer_id, visited_on) is the primary key for this table.This table contains data about customer transactions in a restaurant.visited_on is the date on which..