Re: Messy data models (Re: Visualize database schema) - Mailing list pgsql-general

From Wolfgang Keller
Subject Re: Messy data models (Re: Visualize database schema)
Date
Msg-id 20120818162432.d75f0c966aa29dad39d8288c@gmx.net
Whole thread Raw
In response to Re: Messy data models (Re: Visualize database schema)  ("David Johnston" <polobo@yahoo.com>)
List pgsql-general
> > 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


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