[Programmers SQL 고득점 Kit] String, Date [4/5] 오랜 기간 보호한 동물(2)

문제 link
https://programmers.co.kr/learn/courses/30/lessons/59411

Code link
https://github.com/JamesJung01/programmers_sql_kit/blob/main/06_STRING%2CDATE/STRING%2CDATE-4.sql

SELECT INS.ANIMAL_ID, INS.NAME
FROM ANIMAL_INS AS INS
JOIN ANIMAL_OUTS AS OUTS
ON INS.ANIMAL_ID = OUTS.ANIMAL_ID
ORDER BY DATEDIFF(OUTS.DATETIME, INS.DATETIME) DESC
# ORDER BY (OUTS.DATETIME - INS.DATETIME) DESC
LIMIT 2