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