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 <guy...@gmail.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? >
