Sighing is not allowed on the list. ;)  I sent an example a few minutes ago.
 Yes, that does sound like what I'm describing.

On Wed, Jan 13, 2010 at 4:56 PM, Mark Ritchie <mark.ritc...@mac.com> wrote:

> On 13/Jan/2010, at 2:53 PM, Lon Varscsak wrote:
> > Is there a way to model an optional to-one relationship from the primary
> key to a primary key of another object?
>
> *sigh*  As with so many conversations theses days...  What are you trying
> to do?
>
> My initial response is look at how the Movies.eomodel is setup for Talent
> and TalentPhoto.
> That's an example where a large blob was broken off from the main table for
> better storage.
> Not strictly 3rd normal form but often done! ;-)   Is that similar to the
> case that you're talking about?
> M.
>
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