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