- Published on
Leetcode - 584. Find Customer Referee
- Authors
- Name
- Indo Yoon
Table of Contents
문제
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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