Primary Key: UniqueIdentifier vs Int

Topics: Datamodel
Wiki Link: [discussion:254198]
CrazyTn
Apr 16, 2011 at 9:03 PM

I noticed that all the primary key are UniqueIdentifier. I would prefer to use Int. Is there a reason to using a UniqueIdentifier over an Int? Is it for future scalability where data might be transfer to different database?
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