[SQL문제풀기] Python 개발자 찾기

문제

내가 작성한 정답

SELECT ID, EMAIL, FIRST_NAME, LAST_NAME
FROM DEVELOPER_INFOS
WHERE (SKILL_1='PYTHON')
        OR (SKILL_2='PYTHON')
        OR (SKILL_3='PYTHON')
ORDER BY ID ASC;

다른 사람들이 작성한 정답

SELECT ID, EMAIL, FIRST_NAME, LAST_NAME
FROM DEVELOPER_INFOS
WHERE 'Python' IN (SKILL_1, SKILL_2, SKILL_3)
ORDER BY ID