[프로그래머스] 문제 26. 입양 시각 구하기(1)

20240628 풀이

-- 코드를 입력하세요
SELECT HOUR(DATETIME) HOUR
     , COUNT(*)
FROM ANIMAL_OUTS
WHERE HOUR(DATETIME) BETWEEN 09 AND 19
GROUP BY 1
ORDER BY 1

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20240813 풀이

-- 시간대별 입양 건수
-- 시간대 순으로 정렬
SELECT *
FROM ANIMAL_OUTS;

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

 

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

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