조건에 맞는 사용자 정보 조회하기(2) | Substr 함수, 서브쿼리 활용 | 프로그래머스 Programmers Sql 연습문제
Synopsis
sql #마케팅 #데이터 프로그래머스 SQL 연습문제: 조건에 맞는 사용자 정보 조회하기 문제 풀이과정입니다. 감사합니다.
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