SELECT ITEM_CODE AS CODE, ITEM_NAME AS NAME, SUM(UNITPRICE * ORDER_QTY) AS TOTAL_AMT
FROM ORDERS JOIN ORDERS_DTL USING (ORDER_NO) JOIN ITEM USING (ITEM_CODE)
WHERE ORDER_DATE BETWEEN '2023-05-14' AND '2023-05-20'
GROUP BY 1
ORDER BY 3 DESC, 1 DESC LIMIT 5;