SELECT
    FIRST_LOGIN
    ,COUNT(MEMBER_CODE) AS MEMBER_CNT
FROM
    (
        SELECT
            MEMBER_CODE
            ,MIN(DATE(LOGIN_DATETIME)) AS FIRST_LOGIN
        FROM
            ACCESS_LOG
        GROUP BY
            MEMBER_CODE
    ) AS AL
WHERE
    FIRST_LOGIN BETWEEN '2023-08-01' AND '2023-08-31'
GROUP BY
    FIRST_LOGIN
ORDER BY
    FIRST_LOGIN DESC