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