Re: Object-relational impedence

From: Dmitry A. Kazakov <>
Date: Fri, 14 Mar 2008 18:32:43 +0100
Message-ID: <1si6fsgae3736.1n8vsm0x4jqhh$>

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.

LOL. Dear you should really read something introductory on set theory, just in order to never post anything like that. The distinction between set and the elements of, plays a central role in modern mathematics. Otherwise see

Dmitry A. Kazakov
Received on Fri Mar 14 2008 - 18:32:43 CET

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