SELECT T1.ITEM_CODE CODE
      ,T3.ITEM_NAME NAME
      ,SUM(T1.UNITPRICE * ORDER_QTY) TOTAL_AMT
  FROM ORDERS_DTL T1
  LEFT OUTER JOIN ORDERS T2
    ON T1.ORDER_NO = T2.ORDER_NO
  LEFT OUTER JOIN ITEM T3
    ON T1.ITEM_CODE = T3.ITEM_CODE
 WHERE T2.ORDER_DATE >= '2023-05-14'
   AND T2.ORDER_DATE <= '2023-05-20'
 GROUP BY 1
 ORDER BY 3 DESC,1 DESC LIMIT 5
;