What is the purpose of putting an 'N' in front of function parameters in TSQL?

Posted by Ben McCormack on Stack Overflow See other posts from Stack Overflow or by Ben McCormack
Published on 2010-03-15T15:21:07Z Indexed on 2010/03/15 15:29 UTC
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What is the purpose of putting an 'N' in front of function parameters in TSQL?

For example, what does the N mean in front of the function parameter in the following code:

object_id(N'dbo.MyTable')

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