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Nitin Bansal
Starting Member
13 Posts |
 Posted - 2008-06-18 : 03:31:20
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| How to delete duplicate records from table ? Is there any query for that ?I am using SQL 2005. |
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SwePeso
Patron Saint of Lost Yaks
30421 Posts |
Posted - 2008-06-18 : 03:49:27
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Yes.DELETE fFROM (SELECT ROW_NUMBER() OVER (PARTITION BY Col1 ORDER BY Col2 DESC) AS RecID FROM Table1) AS tWHERE RecID > 1
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Nitin Bansal
Starting Member
13 Posts |
Posted - 2008-06-18 : 06:39:08
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| I am unable to understand your query. Can you please describe me ? I have 10 Columns in my table, and i want when all the col values are matches with the second row then the same row should deleted. |
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SwePeso
Patron Saint of Lost Yaks
30421 Posts |
Posted - 2008-06-18 : 07:43:01
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PARTITION BY more columns...You know you are allowed to open and read about functions and how they are used, in Books Online (the SQL Server help file)?
E 12°55'05.25"N 56°04'39.16" |
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Delete duplicate ROWS