select
    SALES.SALES_DATE as SAL_DATE
    ,SALES.SALES_NO as NO
    ,SALES_DTL.ITEM_CODE as ITEM_CODE
    ,SALES_DTL.SALES_QTY as SAL_QTY
    ,SALES_DTL.DELIVERED_QTY as DEL_QTY
    , 
    case
        when SALES_DTL.DELIVERED_QTY = 0 then '未出荷'
        when SALES_DTL.SALES_QTY - SALES_DTL.DELIVERED_QTY > 0 and SALES_DTL.DELIVERED_QTY <> 0 then '一部出荷'
        when SALES_DTL.SALES_QTY - SALES_DTL.DELIVERED_QTY = 0 then '出荷済'
        end as SHIP_STS
from SALES
inner join SALES_DTL
on SALES.SALES_NO = SALES_DTL.SALES_NO
order by SAL_DATE desc, NO asc, ITEM_CODE asc
;