SQL查詢分組遇到問題

我試圖顯示某段時間內引用的引用數量，對每個引用進行總和預測，並由創建引用的人員對它們進行分組。下面是我的查詢......但我認爲我正在做一些錯誤的小組，但我不知道是什麼。我正在使用標準的SQL 2008.任何幫助將不勝感激。SQL查詢分組遇到問題

SELECT 
    CAST(COUNT (DISTINCT QUOTES.Quote) AS SQL_CHAR) AS Number_of_Quotes, 
    SUM(Forecast) AS Amount_Forecast, 
    quotes.createdby 
FROM 
    Quotes 
WHERE 
    quotes.created>=? AND quotes.created<=? 
Group by 1

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2014-01-20 Aaron

你可以把表結構，有些刀片進行測試？我在你的SQL中看不到錯誤 –

如果'createdby'是你的第一列，它應該可以工作。 – Mihai

您需要通過子句中使用createdby你的小組

SELECT 
    CAST(COUNT (DISTINCT QUOTES.Quote) AS SQL_CHAR) AS Number_of_Quotes, 
    SUM(Forecast) AS Amount_Forecast, 
    quotes.createdby FROM Quotes 
WHERE 
    quotes.created>=? AND quotes.created<=? 
Group by createdBy

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2014-01-20 13:54:17 Sachin

你的錯誤是由於這樣的事實，你是一個聚合分組。您可以按列編號分組，但您的第一列包含count（）。

您可以將1更改爲3，也可以使用列名稱。

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2014-01-20 14:07:56

事實並未體現 –

在GROUP BY子句中，您必須包含SELECT子句中的列。

如果你想要聚合由誰創造了它的預測，你應該做的像@Sachin和@Dan Bracuk建議：

SELECT 
    CAST(COUNT (DISTINCT QUOTES.Quote) AS SQL_CHAR) AS Number_of_Quotes, 
    SUM(Forecast) AS Amount_Forecast, 
    quotes.createdby 
FROM quotes 
WHERE 
    quotes.created>=? AND quotes.created<=? 
GROUP BY quotes.createdby

或

SELECT 
    CAST(COUNT (DISTINCT QUOTES.Quote) AS SQL_CHAR) AS Number_of_Quotes, 
    SUM(Forecast) AS Amount_Forecast, 
    quotes.createdby 
FROM quotes 
WHERE 
    quotes.created>=? AND quotes.created<=? 
GROUP BY 3 --equivalent because createdBy is the 3º column on the select clause

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2014-01-20 15:29:31 carexcer

SQL查詢分組遇到問題

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