Re: Mixing OO and DB
From: Robert Martin <unclebob_at_objectmentor.com>
Date: Thu, 14 Feb 2008 10:06:47 -0600
Message-ID: <2008021410064743658-unclebob_at_objectmentorcom>
Date: Thu, 14 Feb 2008 10:06:47 -0600
Message-ID: <2008021410064743658-unclebob_at_objectmentorcom>
>> Well, circle is indeed an ellipse.
Yes. But a program that represents all circles does not necessarily represent all ellipses.
The fact that a program p represents an entity e, where e is a subset of a larger set S, does not mean that p is a subset of the programs that represent S.
-- Robert C. Martin (Uncle Bob) | email: unclebob_at_objectmentor.com Object Mentor Inc. | blog: www.butunclebob.com The Agile Transition Experts | web: www.objectmentor.com 800-338-6716 |Received on Thu Feb 14 2008 - 17:06:47 CET