-
[level 3] 있었는데요 없었습니다SQL/SQL 연습문제 풀이 2022. 1. 19. 12:21반응형
https://programmers.co.kr/learn/courses/30/lessons/59043
-- MySQL, Oracle SELECT A.ANIMAL_ID, A.NAME FROM ANIMAL_INS A LEFT JOIN ANIMAL_OUTS B ON A.ANIMAL_ID = B.ANIMAL_ID WHERE A.DATETIME > B.DATETIME ORDER BY A.DATETIME
반응형