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