๋ฐ์ํ
https://school.programmers.co.kr/learn/courses/30/lessons/59042
-- ์ฝ๋๋ฅผ ์
๋ ฅํ์ธ์
SELECT ANIMAL_ID, NAME
from ANIMAL_OUTS
where ANIMAL_ID not in (select ANIMAL_ID from ANIMAL_INS)
order by ANIMAL_ID
๋ฐ์ํ