👩‍💻 문제

https://school.programmers.co.kr/learn/courses/30/lessons/59043#qna

🙋‍♀️ 답변

SELECT AI.ANIMAL_ID, AI.NAME
FROM ANIMAL_INS AI
JOIN ANIMAL_OUTS AO
ON AI.ANIMAL_ID = AO.ANIMAL_ID
WHERE AI.DATETIME > AO.DATETIME
ORDER BY AI.DATETIME ASC;

🤔

왜 레벨 3이지 🥕