프로그래머스/쿼리
[oracle] IS NULL - NULL 처리하기
have a good time
2025. 3. 25. 15:19
SELECT ANIMAL_TYPE, NVL(NAME, 'No name') AS NAME, SEX_UPON_INTAKE
FROM ANIMAL_INS
ORDER BY ANIMAL_ID;
NULL 처리 -> NVL 함수