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오랜 기간 보호한 동물(2)

2023. 9. 2. 16:29 빛하루
SELECT ANIMAL_ID, AI.NAME
FROM ANIMAL_INS AI JOIN ANIMAL_OUTS AO USING (ANIMAL_ID)
WHERE AO.DATETIME IS NOT NULL
ORDER BY (AO.DATETIME - AI.DATETIME) DESC
fetch first 2 rows only;