SOLUTION INFO
SQL · main.sql
# Write your MySQL query statement below
SELECT name FROM Customer WHERE referee_id IS NULL or referee_id <> 2
SOLUTION DESCRIPTION
풀이 설명
등록된 풀이 설명이 없습니다.
1개의 풀이 · SQL
SOLUTION INFO
# Write your MySQL query statement below
SELECT name FROM Customer WHERE referee_id IS NULL or referee_id <> 2
SOLUTION DESCRIPTION
등록된 풀이 설명이 없습니다.