select
    SALES_DATE AS SAL_DATE,
    SALES.SALES_NO AS NO,
    ITEM_CODE,
    SALES_QTY AS SAL_QTY,
    DELIVERED_QTY AS DEL_QTY,
    CASE DELIVERED_QTY
         WHEN DELIVERED_QTY = 0 THEN '未出荷'
         WHEN DELIVERED_QTY <> 0 AND DELIVERED_QTY < SALES_QTY THEN  '一部出荷'
         WHEN DELIVERED_QTY = SALES_QTY THEN '出荷済'
    END AS SHIP_STS
    
from 
    SALES

inner join
    SALES_DTL
on
    SALES.SALES_NO = SALES_DTL.SALES_NO
    
where
    SALES_DATE BETWEEN '2024-04-01' AND '2024-04-10';