Re: Is it Possible to Enforce This Relationship at the DB Level?
Date: Fri, 19 Oct 2007 17:21:08 -0000
Message-ID: <1192814468.908080.202170_at_v23g2000prn.googlegroups.com>
On Oct 16, 12:59 pm, TroyK <cs_tr..._at_juno.com> wrote:
> On Oct 15, 3:54 pm, dutone <dut..._at_hotmail.com> wrote:
>
> > > > Is it possible to enforce this at a DB level? Maybe my model is
> > > > flawed?
> > > In *no case* presentation should determine design. Proper design
> > > should be the consequence of studying sound principles of relational
> > > modeling.
>
> > Huh, who said anything about presentation? I'm trying to construct an
> > appropriate data model based on a set of business rules.
> > Thanks for the advice....
>
> "client", "spreadsheet", "cells", etc. all sound like user interface
> or
> presentation concepts. Difficult to tell without working definitions
> for these entities that you have identified, though.
Yes, words can imply a specific idea to someone at first; context, context, context.