Re: Disadvantages ORM/UML/ER

From: Scot A. Becker <scot_at_orthogonalsoftware.com>
Date: Thu, 02 May 2002 22:13:27 GMT
Message-ID: <bSiA8.1593$P5.294706@twister.rdc-kc.rr.com>

> I am looking for a good overview of advantages and disadvantages of
> modeling-techniques as ORM, UML and ER-modeling.

This is a lengthy topic.... Fortunately, some comparisons of ORM to UML and a couple of flavors of ER have been done by Terry Halpin and are available at www.orm.net. In particular:

ORM vs. UML:

http://www.orm.net/pdf/ICMArticle1.pdf
http://www.orm.net/pdf/ICMArticle2.pdf
http://www.orm.net/pdf/ICMArticle3.pdf
http://www.orm.net/pdf/orm-jcm4.pdf
http://www.orm.net/pdf/orm-jcm5.pdf
http://www.orm.net/pdf/orm-jcm6.pdf
http://www.orm.net/pdf/orm-jcm7.pdf
http://www.orm.net/pdf/orm-jcm8.pdf
http://www.orm.net/pdf/orm-jcm9.pdf
http://www.orm.net/pdf/JCM10.pdf
http://www.orm.net/pdf/orm-emm98.pdf
http://www.orm.net/pdf/orm-emm99.pdf
http://www.orm.net/pdf/JDM99.pdf
http://www.orm.net/pdf/HICSS.pdf

ORM vs. Barker notation (Oracle)
http://www.orm.net/pdf/JCM11.pdf
http://www.orm.net/pdf/JCM12.pdf

ORM vs. Information Engineering notation: http://www.orm.net/pdf/JCM13.pdf

Hope that helps,
Scot.

---

Scot A. Becker

Software Consultant & Founder
Orthogonal Software Corporation
http://www.orthogonalsoftware.com Received on Thu May 02 2002 - 17:13:27 CDT