https://school.programmers.co.kr/learn/courses/30/lessons/59045
-- 코드를 입력하세요
SELECT AI.ANIMAL_ID, AI.ANIMAL_TYPE, AI.NAME
FROM ANIMAL_INS AS AI
LEFT JOIN ANIMAL_OUTS AS AO ON (AO.ANIMAL_ID = AI.ANIMAL_ID)
WHERE AI.SEX_UPON_INTAKE like '%Intact%' AND (AO.SEX_UPON_OUTCOME like '%Spayed%' OR AO.SEX_UPON_OUTCOME like '%Neutered%')
넘쉽.. 다음엔 5..