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Open Source Models

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File Date Added Downloads  
I developed this sample model in response to a question by Niels Hoogeveen in this forum thread . Niels asked about the use of exclusion constraints in PostgreSQL to prevent overlapping time constraints...
03-16-2014 23 Download
File Size 210.5kB
In order to use this file, you need to use the most recent version of the NORMA modeling tool installed in Visual Studio. This object-role model was created using the public version of NORMA that was released...
03-16-2014 9 Download
File Size 117.6kB
This file shows a verbalization of the Reservation sample model described in the accompanying pdf. It is an html file that you can browse. Updated - 17 March
03-16-2014 5 Download
File Size 63.4kB
This is the DDL for SQL Server, as generated by NORMA, for the IT Management data model.
01-24-2012 65 Download
File Size 114.4kB
A version of the IT Management data model that does not require NORMA or Visual Studio to read.
10-21-2011 209 Download
File Size 3.2MB
This is the full database model, with ORM notation, text version, and Entity-Relationship diagrams, all captured in a document that can be read by anyone with Adobe Acrobat Reader. The database would...
09-09-2011 127 Download
File Size 1MB
I created the “Bird Identification” model (and prototype database) a few years ago. It was inspired by bird field guides, but with the idea that a GIS (Geographic Information System) and GPS (Global Positioning...
06-14-2011 61 Download
File Size 481.8kB
Certain data is required to manage IT (Information Technology – the organization that delvers computer services), whether you have the tools or not. This document describes the data that the business must...
01-28-2011 180 Download
File Size 842.5kB
This is an extension to the ActiveFacts Metamodel (upcoming version) to show how ORM2 diagrams are modelled
05-20-2010 151 Download
File Size 81.6kB
I converted the Talent Agency file to Constellation Query Language using my ActiveFacts converter, which worked correctly (and generated an SQL database design almost the same as NORMA's, with just...
10-28-2009 52 Download
File Size 16.6kB
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