> > In fact, shouldn't reasonably well-designed data models at least > > mostly follow SER principles? In that case, they could be displayed > > essentially > as a > > tree. > > No - and what the heck are "SER principles"?
Structured Entity Relationship model. It means that the dependency graph does not contain directed cycles ("hen-and-egg"-type foreign key relations). Sincerely, Wolfgang -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general