Re: SUPPORT FOR DECLARATIVE TRANSITION CONSTRAINTS

From: Erwin <e.smout_at_myonline.be>
Date: Tue, 28 Sep 2010 08:20:14 -0700 (PDT)
Message-ID: <f922fd08-8a68-4fe9-bcda-62a92be613b0_at_x12g2000yqj.googlegroups.com>


On 28 sep, 16:05, Brian <br..._at_selzer-software.com> wrote:
>
> No.  It isn't.  Only transition constraints can prevent a user from
> rewriting history.  All a user needs to do to subvert any state
> constraint that involves temporal attributes is to replace the history
> of the object under consideration.
> - Tekst uit oorspronkelijk bericht weergeven -

All a user needs to do to subvert your stupid UPDATE transition constraints is not issue an UPDATE, but a DELETE+INSERT multiple assignment instead. Received on Tue Sep 28 2010 - 17:20:14 CEST

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