SQL GROUP BY] 대여 횟수가 많은 자동차들의 월별 대여 횟수 구하기

SQL GROUP BY] 대여 횟수가 많은 자동차들의 월별 대여 횟수 구하기

https://school.programmers.co.kr/learn/courses/30/lessons/151139

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SELECT G.MONTH, G.CAR_ID, COUNT(G.CAR_ID) AS RECORDS
FROM (
    SELECT CAR_ID, MONTH(START_DATE) AS MONTH
    FROM CAR_RENTAL_COMPANY_RENTAL_HISTORY
    WHERE START_DATE BETWEEN '2022-08-01' AND '2022-10-31'
) G
INNER JOIN (
    SELECT CAR_ID
    FROM CAR_RENTAL_COMPANY_RENTAL_HISTORY
    WHERE START_DATE BETWEEN '2022-08-01' AND '2022-10-31'
    GROUP BY CAR_ID
    HAVING COUNT(CAR_ID) >= 5
) T ON G.CAR_ID = T.CAR_ID
GROUP BY G.CAR_ID, G.MONTH
ORDER BY G.MONTH, G.CAR_ID DESC;