SELECT *
FROM
(
SELECT *, ROW_NUMBER() OVER (PARTITION BY 칼럼 ORDER BY 날짜 DESC) AS RN
FROM 테이블명
) AS sub1
WHERE RN = 1
SELECT *
FROM
(
SELECT *, ROW_NUMBER() OVER (PARTITION BY 칼럼 ORDER BY 날짜 DESC) AS RN
FROM 테이블명
) AS sub1
WHERE RN = 1