2013-11-04 31 views
2

我有兩張桌子,例如ONE和TWO,我的桌子更大,結構也不同,但有一些字段重合。如何在一個查詢中放置多個表的功能的結果?

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我怎樣才能獲得表查詢?

我可以使用GROUP和SUM來創建一個表格,但是如何添加QUERY中的最後一列?可能嗎?

SELECT Date, SUM(Apples), SUM(Oranges) FROM One 
GROUP BY Date 
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。 Esquece essa bobagem de「對不起我的英語」;) – brasofilo

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謝謝,我總是這樣說,以避免混淆:P – LuisEduardoSP

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好的,但請避免在這裏做:P。 。 。它[被認爲是噪音](http://meta.stackexchange.com/questions/202977/should-im-not-a-native-english-speaker-lines-be-removed),就像[「你好,謝謝,問候「](http://meta.stackexchange.com/questions/2950/should-hi-thanks-taglines-and-salutations-be-removed-from-posts)。 – brasofilo

回答

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SELECT Date, one.place, SUM(Apples), SUM(Oranges), SUM(Grapes) 
FROM One left join Two on one.place = two.place and one.[Date] = two.[Date] 
GROUP BY Date 
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感謝所有人,這就是我所需要的。我仍然有工作要處理我的查詢,但我有路要走。 – LuisEduardoSP

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SELECT one.Date, one.place, SUM(Apples), SUM(Oranges), SUM(Grapes) 
FROM One left join Two on one.place = two.place and one.date = two.date 
GROUP BY one.date, one.place 

將返回第一個表,我看不出什麼毛病英語所有地方正確的計數

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我已經更新了,謝謝 – wxyz

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