Re: Object-relational impedence
From: Dmitry A. Kazakov <mailbox_at_dmitry-kazakov.de>
Date: Fri, 14 Mar 2008 18:32:43 +0100
Message-ID: <1si6fsgae3736.1n8vsm0x4jqhh$.dlg_at_40tude.net>
Date: Fri, 14 Mar 2008 18:32:43 +0100
Message-ID: <1si6fsgae3736.1n8vsm0x4jqhh$.dlg_at_40tude.net>
On Fri, 14 Mar 2008 08:55:55 -0700 (PDT), topmind wrote:
> One of the problems in translation is that OO usually makes a big
> distinction between an individual object and a collection of objects,
> whereas in RDBMS there is no real difference: going from 1 to a
> million is seamless (outside of performance issues). In OO, the
> collection is usually a different object/class than the items in the
> collection. (This is a manifestation of the set-oriented thinking
> versus navigational structures of OO.) Nobody has figured out how to
> use encapsulation to hide the difference.
http://en.wikipedia.org/wiki/Barber_paradox
-- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.deReceived on Fri Mar 14 2008 - 18:32:43 CET