Write a query to delete duplicate records in SQL SERVER
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Answer Posted / sunil
CREATE TABLE [dbo].[DupTable](
[Name] [nchar](10) NOT NULL,
[Age] [int] NOT NULL
) ON [PRIMARY]
-- Insert the duplicate data into the table...
Select * from DupTable
go
with Emp AS
(
Select Name,Age, ROW_NUMBER() over (order by Name) as
RowNumber FROM DupTable
)
Delete t1 From Emp as T1, Emp as T2
where T1.Name = T2.Name AND T1.Age= T2.Age and T1.RowNumber
> T2.RowNumber
go
Select * from DupTable
go
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