SELECT
    O.CUST_CODE AS CODE,
    CUST_NAME AS NAME,
    COUNT(ORDER_NO) AS CNT
FROM
    ORDERS AS O
    INNER JOIN CUSTOMER AS C
        ON O.CUST_CODE=C.CUST_CODE
WHERE
    ORDER_DATE BETWEEN '2023-07-01' AND '2023-07-31'
GROUP BY
    O.CUST_CODE
ORDER BY
    CNT DESC,
    CODE DESC
    ;