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level 2. NULL 처리하기SQL/SQL 연습문제 풀이 2022. 1. 17. 16:40반응형
https://programmers.co.kr/learn/courses/30/lessons/59410
-- MySQL SELECT ANIMAL_TYPE, ifnull(NAME, 'No name'), SEX_UPON_INTAKE FROM ANIMAL_INS ORDER BY ANIMAL_ID
-- Oracle SELECT ANIMAL_TYPE, nvl(NAME, 'No name'), SEX_UPON_INTAKE FROM ANIMAL_INS ORDER BY ANIMAL_ID
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