On 10/04/2013 09:48 AM, JORGE MALDONADO wrote:
> I have search for information about the difference between "unique
> index" and "unique constraint" in PostgreSQL without getting to a
> specific answer, so I kindly ask for an explanation that helps me
> clarify such concept.
The way I think of it is, that since the SQL standard does not mention
indices an INDEX (UNIQUE or otherwise) is just the databases application
of a constraint. So for practical purposes they are the same thing.
>
> Respectfully,
> Jorge Maldonado
--
Adrian Klaver
adrian.klaver@gmail.com