--Q2
SELECT ORDERS_DTL.ITEM_CODE AS CODE
,MAX(ITEM_NAME) AS NAME
,SUM(UNITPRICE*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 ORDER_DATE >= '2023-05-14'
AND ORDER_DATE <= '2023-05-20'
GROUP BY ORDERS_DTL.ITEM_CODE
ORDER BY TOTAL_AMT DESC,CODE DESC
LIMIT 5