SELECT
main.SALES_DATE AS SAL_DATE,
main.SALES_NO AS NO,
sub.ITEM_CODE AS ITEM_CODE,
sub.SALES_QTY AS SAL_QTY,
sub.DELIVERED_QTY AS DEL_QTY,
CASE 
WHEN sub.DELIVERED_QTY = 0 THEN '未出荷'
WHEN sub.SALES_QTY > sub.DELIVERED_QTY THEN '一部出荷'
WHEN sub.SALES_QTY = sub.DELIVERED_QTY THEN '出荷済'
END AS SHIP_STS
FROM SALES AS main
INNER JOIN SALES_DTL AS sub
ON main.SALES_DATE BETWEEN '2024-04-01' AND '2024-04-10'
AND main.SALES_NO = sub.SALES_NO
ORDER BY
main.SALES_DATE DESC,
main.SALES_NO,
sub.ITEM_CODE;