I don't think I fully understand. Do you mean all pk using a single
sequence? I'm not sure how this would avoid nulls or grouping fields.
Jim
On Fri, Jun 1, 2018 at 12:52 PM, Guyren Howe <guyren(at)gmail(dot)com> wrote:
> It’s come to my attention that what seems an obvious and useful database
> design pattern — 1:1 relations between tables by having a shared primary
> key — is hardly discussed or used.
>
> It would seem to be a very simple pattern, and useful to avoid storing
> nulls or for groups of fields that tend to be used together.
>
> Thoughts? Is there some downside I can’t see?
>