Re: UNIQUE constraint

From: Sascha Ziemann <ziemann(at)secunet(dot)de>
To: Michael Glaesemann <grzm(at)myrealbox(dot)com>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: UNIQUE constraint
Date: 2004-08-09 09:41:49
Message-ID: m3hdrcps0y.fsf@sn-e0310.ek.secunet.de
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Michael Glaesemann <grzm(at)myrealbox(dot)com> writes:

> On Aug 7, 2004, at 3:25 AM, Sascha Ziemann wrote:
> > CREATE TABLE example (
> > a integer,
> > b integer,
> > c integer,
> > UNIQUE (a, c)
> > );
> >
> > But it is not clean to me. Does the above example mean that the list
> > of pairs must be unique
>
> Yes.

Do you know wheather this is part of the SQL standard? I have to
write an application that works on Postgresql and Oracle. Is this the
same on Oracle?

Sorry for asking but right now I have no access to the database to
test it.

cu Sascha

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