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Unique value over different servers - Mailing list pgsql-general

From Per-Olof Pettersson
Subject Unique value over different servers
Date
Msg-id 3B11CB5E.30809@peope.net
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Responses Re: Unique value over different servers
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I have two databases on two different servers.

I'd like to make a field that will be unique on both servers.

Is this possible. How do I accompish that. Is oid a good value to use?
Is there a function for it?

Best regards
Per-Olof Pettersson

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