SQL Server :: Differance Between Varchar(25) And Nvarchar(25)?

Mar 7, 2011

I am using sql server 2008. Could anyone tell me the differance between varchar(25) and nvarchar(25)? Which is more efficient?

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[Code]....

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[Code]....

[Code]....

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In SQL ......

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[Code]....

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[Code]....

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