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This file shows you how to analyse functional dependencies in order to find keys. You watch a 10 minute video (link in the document) and then use the analysis sheet.
Tue, Feb 12 2013 739 Download
File Size 109.2kB
This is a user guide for NORMA. It is based on the 2008 April version of NORMA. The text was prepared by Gordon Everest for students in his Advanced Database Design class at the University of Minnesota...
Fri, Aug 22 2008 635 Download
File Size 61.6kB
Abstract: Fact-oriented modeling approaches such as Object-Role Modeling (ORM) and Natural Language Information Analysis Method (NIAM) enable conceptual information models to be expressed using graphical...
Wed, Oct 3 2012 621 Download
File Size 564.5kB
This is the program for the ORM 2012 Workshop to be held in Rome between October 12 and October 14 2012.
Fri, Aug 31 2012 616 Download
File Size 49kB
This paper first appeared as chapter 4 of the following book: Bernus, P., Mertins, K. & Schmidt, G. (eds.) 1998, Handbook on Architectures of Information Systems , Springer. Details on this publication...
Sun, Nov 18 2007 611 Download
File Size 124.9kB
When you build an object-role model, it is helpful to use sample data to validate the model against the Universe of Discourse. You can do this with the sample population editor in the NORMA tool. The sample...
Fri, Nov 23 2007 603 Download
File Size 215.5kB
Abstract: The problem of database reengineering stems from (legacy) databases that are hard to understand (incorrect-, incomplete- or missing semantics) or that perform inefficiently.Reengineering is often...
Wed, Oct 3 2012 600 Download
File Size 142.7kB
Abstract: Agile software development advocates a rapid iterative process where working systems are delivered at each iteration. For information systems, this drive to produce something working soon, makes...
Wed, Oct 3 2012 543 Download
File Size 1.2MB
This is a revised version of an article that first appeared in the December 1999 issue of the Journal of Conceptual Modeling . This paper is the first in a series of articles examining data modeling in...
Fri, Nov 23 2007 543 Download
File Size 79.4kB
Abstract: Data schemas are an important part of the software design process. The Unified Modeling Language (UML) is the lingua franca in current software engineering practice, and UML class diagrams are...
Wed, Oct 3 2012 537 Download
File Size 356.7kB
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