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Delete dupliacte rows from a table


Posted Date: 08 Aug 2008    Resource Type: Code Snippets    Category: SQL
Posted By: Payal Jain       Member Level: Gold
Rating:     Points: 10



Introduction


The following query will help you to Delete dupliacte rows from a table

Code or SQL query 




WITH duplicates
AS
(
SELECT
*,
ROW_NUMBER() OVER(PARTITION BY Col2, Col3, Col4 ORDER BY Col1) AS
RowNumber
FROM YourTable
)

DELETE FROM duplicates
WHERE RowNumber > 1



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