[SELETE/LEVEL2] 조건에 맞는 개발자 찾기 (MySQL)

MySQL

SELECT ID
, EMAIL
, FIRST_NAME
, LAST_NAME
FROM DEVELOPERS
WHERE SKILL_CODE & (SELECT CODE FROM SKILLCODES WHERE NAME = 'Python')
    OR SKILL_CODE & (SELECT CODE FROM SKILLCODES WHERE NAME = 'C#')
ORDER BY ID;