On Wed, May 17, 2006 at 14:21:47 +0200,
Q Beukes <pgsql-novice(at)postgresql(dot)org> wrote:
> Hey,
>
> I have a few questions/thoughts about OIDS.
>
> 1. What are the pros/cons of having them against not having them in your
> table.
Generally you don't want to use them. Use sequences/serial instead.
> 2. Are they unique throughout tables/database/postgres setup.
No. If you want to enforce uniqueness, you need to add a constraint and be
prepared to retry on failures.