[Programmers] [SQL] 입양 시각 구하기(1)

https://programmers.co.kr/learn/courses/30/lessons/59412

코딩테스트 연습 - 입양 시각 구하기(1)

풀이

SELECT HOUR(DATETIME) HOUR, COUNT(DATETIME) COUNT
FROM ANIMAL_OUTS
GROUP BY HOUR(DATETIME)
HAVING HOUR >= 9 AND HOUR <= 19
ORDER BY HOUR