2017年4月30日
Leetcode 183. Customers Who Never Order (database)
摘要： Suppose that a website contains two tables, the Customers table and the Orders table. Write a SQL query to find all customers who never order anything 阅读全文
posted @ 2017-04-30 01:49 lettuan 阅读(148) 评论(0) 推荐(0)