Re: Need help to understand difference, and contrast between Relational database model and the Object-Oriented model
From: Anthony W. Youngman <thewolery_at_nospam.demon.co.uk>
Date: Mon, 5 Jan 2004 23:47:56 +0000
Message-ID: <tdAoO4Gsef+$EwA8_at_thewolery.demon.co.uk>
Date: Mon, 5 Jan 2004 23:47:56 +0000
Message-ID: <tdAoO4Gsef+$EwA8_at_thewolery.demon.co.uk>
In article <gSzIb.703884$Tr4.1770994_at_attbi_s03>, Nobody
<nobody_at_nowhere.net> writes
>You are missing the point. When I said "some sort of physical pointer"
>I didn't mean direct file offset: I glossed over this because different
>systems implement it differently. You can't apply your one experience
>to a whole class of databases; there is no rule saying a database must
>exist in one file.
Except that in this particular case, what you are thinking of as a file is actually the entire disk as a raw device ...
Not having any experience of R83 I can't be sure, but I think you'll find "the database is the computer" :-)
Cheers,
Wol
-- Anthony W. Youngman - wol at thewolery dot demon dot co dot uk Witches are curious by definition and inquisitive by nature. She moved in. "Let me through. I'm a nosey person.", she said, employing both elbows. Maskerade : (c) 1995 Terry PratchettReceived on Tue Jan 06 2004 - 00:47:56 CET