Re: Entities - what are they?
From: Bernard Peek <Bernard_at_shrdlu.com>
Date: 2000/01/14
Message-ID: <WmjNJ3A4Ntf4EwRR_at_shrdlu.com>#1/1
Date: 2000/01/14
Message-ID: <WmjNJ3A4Ntf4EwRR_at_shrdlu.com>#1/1
In article <QYrf4.2273$3b6.12609_at_ozemail.com.au>, P Mitchell
<prmitch_at_camtech.net.au> writes
>Is an entity any file (table) in a database.
No.
>So in a library BOOKS and MEMBERS are entities.
That's possible. An entity is a logical structure not a physical one. There may be a 1:1 mapping between entities and tables but it's certainly possible to include data about more than one entity in a single table.
-- Bernard Peek bap_at_shrdlu.com bap_at_shrdlu.co.ukReceived on Fri Jan 14 2000 - 00:00:00 CET