Re: Surrogate primary key plus unique constraint vs. natural primary key: data integrity?
From: <robur.6_at_gmail.com>
Date: Mon, 18 Mar 2013 03:26:55 -0700 (PDT)
Message-ID: <8b5f17e4-48af-490d-b187-887b74ab6840_at_googlegroups.com>
Date: Mon, 18 Mar 2013 03:26:55 -0700 (PDT)
Message-ID: <8b5f17e4-48af-490d-b187-887b74ab6840_at_googlegroups.com>
On Saturday, March 16, 2013 1:27:46 PM UTC+2, Jan Hidders wrote:
> As in "it's because you are using them you might be misled into
> thinking you don't need composite keys"? Maybe, but what I would like
> to know is if they cause some inherent problems that cannot be avoided,
> even when modelling carefully.