Re: Thus spoke SQL3 (on OO)

From: Hannu Krosing <hannu(at)tm(dot)ee>
To: Chris Bitmead <chrisb(at)nimrod(dot)itg(dot)telstra(dot)com(dot)au>
Cc: Chris Bitmead <chris(at)bitmead(dot)com>, "Robert B(dot) Easter" <reaster(at)comptechnews(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Thus spoke SQL3 (on OO)
Date: 2000-05-22 08:30:19
Message-ID: 3928F01B.B0C6D563@tm.ee
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Chris Bitmead wrote:
>
> Hannu Krosing wrote:
>
> > Chris, what is your position on having a single primary key for all
> > inherited columns ?
>
> What is the significance of a primary key compared to any old unique
> key?

I don't know ;) Some theorists seem to think it important, and PG allows
only one PK per table.

I just meant that primary key (as well as any other uniqe key) should be
inherited from parent table

------------------
Hannu

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