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