SELECT JUMIN
, MIN(CASE WHEN code = 'A' THEN result END) AS a
, MIN(CASE WHEN code = 'B' THEN result END) AS b
, MIN(CASE WHEN code = 'C' THEN result END) AS c
, MIN(CASE WHEN code = 'D' THEN result END) AS d
FROM 테이블
WHERE code IN ('A','B','C','D')
GROUP BY JUMIN