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28 lines
477 B
28 lines
477 B
-- Query 22: nombre de factures établies chaque jour
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SELECT
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DATE_FORMAT(facture.datefacture, "%d/%m/%y") AS 'date',
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COUNT(facture.numfacture) AS 'nb factures'
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FROM facture
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GROUP BY facture.datefacture
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ORDER BY facture.datefacture;
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/* == RESULT ==
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"Date","Nb factures"
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"01/12/05",1
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"02/12/05",2
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"04/12/05",2
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"05/12/05",1
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"06/12/05",1
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"07/12/05",1
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"08/12/05",1
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"09/12/05",4
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"10/12/05",1
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"11/12/05",2
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"12/12/05",2
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"21/01/06",4
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"22/01/06",5
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"21/02/06",4
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"22/02/06",5
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*/
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