SELECT 
T.SALES_DATE AS SAL_DATE
,T.SALES_NO AS NO
,D.ITEM_CODE AS ITEM_CODE
,SALES_QTY AS SAL_QTY
,DELIVERED_QTY AS DEL_QTY
,CASE   WHEN D.DELIVERED_QTY = 0 THEN '未出荷'
        WHEN D.SALES_QTY > D.DELIVERED_QTY THEN '一部出荷'
        WHEN D.SALES_QTY = D.DELIVERED_QTY THEN '出荷済み'
        ELSE NULL
 END AS SHIP_STS
FROM 
 SALES T
INNER JOIN SALES_DTL D ON T.SALES_NO = D.SALES_NO
ORDER BY
T.SALES_DATE DESC
,T.SALES_NO
,D.ITEM_CODE