Re: Grouping is an entity

From: Tony <andrewst_at_onetel.net.uk>
Date: 26 May 2004 08:49:34 -0700
Message-ID: <c0e3f26e.0405260749.2e1db27b_at_posting.google.com>


"Emily Jones" <emmersthejones_at_hotmail.com> wrote in message news:<40b3cce2$0$58820$5a6aecb4_at_news.aaisp.net.uk>...
> There are events, a rehearsal, another rehearsal, a performance. etc. These
> are instances of entity type 'event'. They have attributes like venue, start
> time, date etc.
>
> A group of them together make up a production (there may be some BOM type
> thing with sub productions later). But this 'production' entity, as far as I
> can tell, will have no attributes except it's name.
>
> So can it really be an entity? Can a grouping together of things actually
> constitute and entity?

Yes, an entity need have no attributes. Received on Wed May 26 2004 - 17:49:34 CEST

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