sql – 我获得：“你试图执行一个不包括指定表达式’OrdID’的查

我的代码如下：

SELECT Last,OrderLine.OrdID,OrdDate,SUM(Price*Qty)  AS total_price
    FROM ((Cus INNER JOIN Orders ON Cus.CID=Orders.CID)
        INNER JOIN OrderLine
            ON Orders.OrdID=OrderLine.OrdID)
        INNER JOIN ProdFabric
            ON OrderLine.PrID=ProdFabric.PrID   
            AND OrderLine.Fabric=ProdFabric.Fabric  
    GROUP BY Last  
    ORDER BY Last DESC,OrderLine.OrdID DESC;

此代码之前已经获得了答复,但暗昧不清.我想知道我那边堕落了.

You tried to execute a query that does not include the specified expression ‘OrdID’ as part of an aggregate function.

是我不绝获得的错误动静,无论我改变什么,它城市给我这个错误.是的我知道,它是用SQL-92编写的,可是我该怎样使它成为一个正当的成果呢？

办理要领

SELECT Last,SUM(Price*Qty)  AS total_price
...   
GROUP BY Last,OrdDate  
ORDER BY Last DESC,OrderLine.OrdID DESC;

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