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