SELECT ITEM.ITEM_CODE             AS CODE,
       ITEM.ITEM_NAME             AS NAME,
       SUM(UNITPRICE * ORDER_QTY) AS TOTAL_AMT
FROM ORDERS
JOIN ORDERS_DTL
ON ORDERS.ORDER_NO = ORDERS_DTL.ORDER_NO
JOIN ITEM
ON ORDERS_DTL.ITEM_CODE = ITEM.ITEM_CODE
WHERE ORDER_DATE BETWEEN '2023-05-14' AND '2023-05-20'
GROUP BY CODE
ORDER BY TOTAL_AMT DESC, CODE DESC
LIMIT 5