입양 시각 구하기

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

프로그래머스

SELECT DATE_FORMAT(DATETIME,"%H") AS HOUR, COUNT(*) AS COUNT
FROM ANIMAL_OUTS
GROUP BY DATE_FORMAT(DATETIME,"%H") 
HAVING HOUR > 8 AND HOUR < 20
ORDER BY HOUR

 

 

SELECT
    HOUR(DATETIME) AS HOUR,
    COUNT(*) AS COUNT
FROM ANIMAL_OUTS
WHERE HOUR(DATETIME) BETWEEN 9 AND 19
GROUP BY HOUR
ORDER BY HOUR;