[Programmers][SQL] 입양 시각 구하기(1) (59412번) - MySQL Solution

문제

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

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Solution

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