How to delete duplicate records in a table

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How to delete duplicate records in a table

Author

Topic

manibad
Starting Member

9 Posts

Posted - 2012-10-04 : 16:43:29

I have a table named dup and in that i have to columns namely ID and Name.The values in the table are
ID Name
1 M
1 M
1 M
1 M
1 M

My aim is to delete the duplicated records and keep the distinct record.That is i gotta to delete 4 out of 5 rows and keep the rest.

How is this possible?
Pls give ur methods and explanations

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2012-10-04 : 17:02:36

yep. do like


DELETE t
FROM
(SELECT ROW_NUMBER() OVER (PARTITION BY ID,Name ORDER BY ID) AS Seq
FROM Table
)t
WHERE Seq>1

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

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