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From: Jasen Betts <jasen@xnet.co.nz>
Newsgroups: gmane.comp.db.postgresql.sql
Subject: Re: 'image' table with relationships to different objects
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On 2010-02-09, Louis-David Mitterrand <vindex+lists-pgsql-sql@apartia.org> wrote:
> Hello,
>
> In my database I have different object types (person, location, event,
> etc.) all of which can have several images attached.

can one image be several people?

can one image be both event and location?

> What is the best way to manage a single 'image' table with relationships
> to (potentially) many different object types while keeping referrential
> integrity (foreign keys)?

probably several join tables 

 image_location image_person image_event
 
with uniques and cascades where needed.