how to reomove duplicate rows keeping only one record in the table?

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I have one table in that some rows are duplicated(not all rows) one,two or three times so how to remove the rows that repeated more than ones in the table..please give one solution for this..

Posted 8-Sep-15 20:30pm

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Schatak · Accepted Answer · 2015-09-08T20:47:00

Solution 1

There are many ways:

SQL

WITH tblTemp as
(
SELECT ROW_NUMBER() Over(PARTITION BY Col1,Col2 ORDER BY Col1)
   As RowNumber,* FROM [table_name]
)
DELETE FROM tblTemp where RowNumber >1

Or follow the link Delete duplicate rows[^]

Posted 8-Sep-15 20:47pm

Schatak

Updated 8-Sep-15 20:49pm

v2