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  • Re: ORM Solutions' ORM Viewer

    Refer to the fact type diagram at the bottom of this post.     This is what it means:PersonNr is an entity type. Reference Scheme: PersonNr has PersonNr_nr. Reference Mode: .nr. Data Type: Numeric: Signed Integer. Fact ...
    Posted to Other Tools (Forum) by Ken Evans on Mon, Apr 5 2021
  • Re: ORM Solutions' ORM Viewer

     Thanks for the clarification. You should be aware of several things: 1: ORM diagrams are really "First Order Logic In Pictures". 2: ORM diagrams hide a lot of detail because they are intended for use by modelers rather than as an explanation. Please refer to the next post that has a seemingly simple binary fact type. I ...
    Posted to Other Tools (Forum) by Ken Evans on Mon, Apr 5 2021
  • Re: ORM Solutions' ORM Viewer

    Hmm, an interesting approach. The purpose of .orm files is to help people to store and to re-use editable information models.  So I'm curious to understand the problem that can be solved with un-editable .jpeg files? It seems to me that generating .jpeg files from orm files removes 99% of their usefulness and value (if not ...
    Posted to Other Tools (Forum) by Ken Evans on Thu, Apr 1 2021
  • Re: ORM Solutions' ORM Viewer

     Have you tried to use NORMA to solve your problem? Ken 
    Posted to Other Tools (Forum) by Ken Evans on Thu, Apr 1 2021
  • Re: Object-Role Modeling Workbook Example Download

     Hi Jerry, I tested the link and yes, the link is broken. (I  have emailed Terry about this.) In the meantime, have you encountered a problem in re-creating the model yourself? Ken   
    Posted to Books (Forum) by Ken Evans on Tue, Jul 21 2020
  • Re: Reverse Engineering from PostgreSQL/ODBC

     "merge the ORM files " Please explain what you mean by this. To which "ORM files" are you referring?    What are you trying to merge with what? "ORM Import" There are several problems with the generators and the reverse engineering functions. I'll send you a separate email about ...
    Posted to Open Discussion & Feature Requests (Forum) by Ken Evans on Thu, May 14 2020
  • ORM Standards

     The first ever ORM Standards documents are now available for download from the library.  Editors: Terry Halpin and Enrico Franconi. Contributors: Jan Hidders, Alessandro Mosca, Francesco Sportelli These important documents show the relationship between the ORM visual language and first order logic. All comments are welcome. You can ...
    Posted to ORM Standards (Forum) by Ken Evans on Thu, Mar 12 2020
  • ORM Normative Abstract Syntax and Semantics: non-normative glossary

    This document uses examples to summarize the abstract syntax of the main graphical symbols used in ORM. The core ORM concepts are formally defined in the companion document "ORM Abstract Syntax and Semantics: normative specifications.   Editors: Terry Halpin & Enrico Franconi  This document is a Proposed Recommendation. ...
    Posted to ORM Standards (FileGallery) by Ken Evans on Thu, Mar 12 2020
  • ORM Syntax and Semantics Specification

     This document contains a formal definition of the core ORM concepts.    It is the central ORM normative abstract syntax and semantics specification .  Editors: Terry Halpin & Enrico Franconi The companion document "ORM abstract syntax and semantics:non-normative glossary" uses examples to show a summary of ...
    Posted to ORM Standards (FileGallery) by Ken Evans on Thu, Mar 12 2020
  • Re: Visual Studio 2015 Community "or above"?

    Hi Matt, Well done for publishing your "official" version of NORMA for Visual Studio 2019. Unfortunately, your VS2019 version still has the same long list of unresolved bugs (40+)  that are still present in your VS2015 version and in earlier versions. Even worse, my tests show that your VS2019 version has also introduced new bugs ...
    Posted to Technical support (Forum) by Ken Evans on Wed, Apr 24 2019
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