{{:wiki:icons:t-sql.png?nolink&90 |}} <fs xx-large>Record duplicati</fs>
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//<fc #5F5F5F><fs large>(Ottenere i record duplicati di una tabella)</fs></fc>//
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La seguente query restituisce i record duplicati in base ai campi: Commessa, Assieme, Codice, QntFabbisogno

<sxh sql>
WITH tbl_tmp AS 
    (
        SELECT 
            ROW_NUMBER() OVER(PARTITION BY Commessa, Assieme, Codice, QntFabbisogno ORDER BY Codice) AS RowNumber
            ,Commessa
            ,Assieme
            ,Codice
            ,DataInvio
            ,QntFabbisogno
        FROM  TFabbisogno WHERE Commessa = '180209'
    )
SELECT * FROM tbl_tmp WHERE RowNumber > 1 AND DataInvio >= '10/09/2018 08:00:00.000' 
</sxh>

La seguente query elimina i record duplicati

<sxh sql>
WITH tbl_tmp AS 
    (
        SELECT 
            ROW_NUMBER() OVER(PARTITION BY Commessa, Assieme, Codice, QntFabbisogno ORDER BY Codice) AS RowNumber
            ,Commessa
            ,Assieme
            ,Codice
            ,DataInvio
            ,QntFabbisogno
        FROM  TFabbisogno WHERE Commessa = '180209'
    )
DELETE FROM tbl_tmp WHERE RowNumber > 1 AND DataInvio >= '10/09/2018 08:00:00.000' 
</sxh>