SELECT
    SALES_DATE AS SAL_DATE
    ,A.SALES_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 SALES_QTY > DELIVERED_QTY
            THEN '一部出荷'
        WHEN SALES_QTY = DELIVERED_QTY
            THEN '出荷済'
    END AS SHIP_STS
FROM
    SALES AS A
JOIN
    SALES_DTL AS B
ON
    A.SALES_NO = B.SALES_NO
ORDER BY  
    1 DESC ,2 ,3