SELECT 
	SALES_DATE AS SAL_DATE,
	ORDER_NO AS NO,
	ITEM_CODE AS ITEM_CODE, 
	SALES_QTY AS  SAL_QTY,
	DELIVERED_QTY AS  DEL_QTY,
	CASE
		WHEN DELIVERED_QTY = 0 THEN '未出荷'
        WHEN DELIVERED_QTY != 0 AND SALES_QTY >= DELIVERED_QTY THEN '一部出荷'
        WHEN SALES_QTY = DELIVERED_QTY THEN '出荷済'
        END AS SHIP_STS
FROM SALES
LEFT JOIN SALES_DTL
ON SALES.SALES_NO = SALES_DTL.SALES_NO
ORDER BY SALES_DATE DESC, SALES.SALES_NO ASC, ITEM_CODE ASC;