SELECT
	ORDERS_DTL.ITEM_CODE AS CODE,
	CASE
	    WHEN ITEM.ITEM_NAME IS NOT NULL THEN ITEM.ITEM_NAME
	    ELSE 'NULL'
	END   AS NAME,
	SUM(ORDER_QTY) AS SUM_QTY
FROM 
	ORDERS
	INNER JOIN ORDERS_DTL ON ORDERS.ORDER_NO = ORDERS_DTL.ORDER_NO
	LEFT JOIN ITEM ON ORDERS_DTL.ITEM_CODE = ITEM.ITEM_CODE
WHERE
	ORDERS.WH_CODE IN (SELECT WH_CODE FROM WAREHOUSE where WH_NAME = '浦和倉庫')
GROUP BY
	ORDERS_DTL.ITEM_CODE
HAVING
	SUM_QTY >= 50
ORDER BY SUM_QTY DESC, CODE DESC;