Re: Inherited Table

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От Peter Harvey
Тема Re: Inherited Table
Дата
Msg-id 3B979F8F.8B57E04A@codebydesign.com
обсуждение исходный текст
Ответ на Inherited Table  (Peter Harvey <pharvey@codebydesign.com>)
Ответы Re: Inherited Table
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Hannu Krosing wrote:
> 
> Peter Harvey wrote:
> >
> > Anyone know how inherited tables are shown on an ERD... both the table
> > and the connector (if any)?
> >
> > What I am looking for is how to draw this in the diagram.
> 
> An old S-Designor does it so:
> 

Yes. But pgsql does not support multiple inheritance (from what I can
tell) so the extra symbol along the ref line ("can be"/"must be") seems
silly. I am thinking that I should draw the new table slightly diff in
some way just as is done with Views. However; some purests would freak.
<Hmmm>

Thanks

Peter


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