Published on

Leetcode - 584. Find Customer Referee

Authors
  • avatar
    Name
    Indo Yoon
    Twitter
Table of Contents

문제

[Loading...

Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

LeetCode

](https://leetcode.com/problems/find-customer-referee/)

정답

SELECT name
FROM Customer
WHERE referee_id != 2 OR referee_id is NULL