您可以添加其他逻辑以获取最后日期。一种方法是在WHERE子句中添加相关的子查询：
SELECT s.PROD_CODE AS Sku, l.REC_DATE AS [Last Date], li.COST AS Cost
FROM (dbo_LOTS as l INNER JOIN
dbo_SKU as si
ON l.SKU_ID = s.SKU_ID
) INNER JOIN
dbo_LOT_ITEM as li
ON l.LOT_ID = li.LOT_ID
WHERE l.REC_DATE = (SELECT MAX(l2.REC_DATE)
FROM dbo_LOTS as l2
WHERE l2.SKU_ID = l.SKU_ID
);
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