Question

这是我收到的错误：在选择列表中无效，因为它不包含在聚合函数或GROUP BY子句中。

我在

编程时

SELECT prod.LineNumber ,
    "Pounds Made" = SUM(prod.PoundsMade) ,
    "Down Time" = SUM(prodDown.DownTimeHrs + DownTimeMins / 60) ,
    prodDown.LineNumber ,
    availHrs.LineNumber ,
    "Available Hours" = SUM(availHrs.AvailableHRS)
FROM   rpt_Line_Shift_Prod AS prod
    INNER JOIN rpt_Line_Shift_ProdDownTime AS prodDown
    INNER JOIN rpt_LINE_Shift_AvailableHrs AS availHrs ON prodDown.LineNumber = availHrs.LineNumber ON prodDown.LineNumber = prod.LineNumber
--ON availHrs.LineNumber = prod.LineNumber
GROUP BY prod.LineNumber

我在这里使用了三个表，所有我已经重命名为prodDown，prod和availHrs。

谢谢！

Answer 1

SELECT  prod.LineNumber
      ,"Pounds Made" = SUM(prod.PoundsMade)
      ,"Down Time" = SUM(prodDown.DownTimeHrs + DownTimeMins/60)
      , prodDown.LineNumber
      , availHrs.LineNumber
      ,"Available Hours" = SUM(availHrs.AvailableHRS)     
FROM rpt_Line_Shift_Prod AS prod
INNER JOIN rpt_Line_Shift_ProdDownTime AS prodDown
    ON prodDown.LineNumber = prod.LineNumber
INNER JOIN rpt_LINE_Shift_AvailableHrs AS availHrs
    ON prodDown.LineNumber = availHrs.LineNumber
GROUP BY prod.LineNumber,prodDown.LineNumber, availHrs.LineNumber

Answer 2

将prodDown.LineNumber``and availHrs.LineNumber`放入GROUP BY子句中：

GROUP BY prod.LineNumber,prodDown.LineNumber, availHrs.LineNumber

选择列表中没有像sum这样的聚合的所有列都必须在GROUP BY子句中。

Answer 3

您只能按prod.LineNumber分组而在你的选择中你也有 prodDown.LineNumber, availHrs.LineNumber 将它们添加到组子句

中

GROUP by prod.LineNumber,prodDown.LineNumber, availHrs.LineNumber

Answer 4

在列上使用SUM()或任何其他aggregate function时，您需要确保选择列表中的任何其他列也已分组。这将确保您不会得到任何重复。因此，正如其他答案所示，您需要确保在GROUP BY子句中包含其他列。

初学者在sql，需要帮助使用GROUP BY

4 个答案: