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  • Entities spanning Diagram pages and Models

    In my project I have two models: A. Retail Management B. Scheduling Model A has separate pages for concepts Customer, Item, Order, Sales, etc. It has no concept of Scheduling. Model B is intended to extend Model A, introducing Scheduling concepts that refer to entities in Model A. Problem 1. The same entity appearing on more than one ...
    Posted to Technical support (Forum) by JO3Y on Fri, Sep 7 2007
  • RE: .sln file not opening .orm files

    I didn't have my Wheaties. in place of \Visual Studio\ I meant \Visual Studio 2005 I wrote: --- E:\Visual Studio\Projects\My_Project\ (as expected) .cs files, including those generated from a .orm file end up in: E:\Visual Studio\Projects\My_Project\My_Project\*.cs , My_Project.csproj --- I meant: --- E:\Visual Studio ...
    Posted to Technical support (Forum) by JO3Y on Fri, Sep 7 2007
  • RE: .sln file not opening .orm files

    ...from both my PC at the office AND at home.
    Posted to Technical support (Forum) by JO3Y on Fri, Sep 7 2007
  • .sln file not opening .orm files

    I have my project saved on a USB pen drive so that I can work on it from both my PC at the office at home. The pen drive is mapped at E: on both machines. In Visual Studio > Options > Projects and Solutions, Visual Studio projects location: is set to E:\Visual Studio 2005\Projects Thus, my project is located in E:\Visual Studio ...
    Posted to Technical support (Forum) by JO3Y on Fri, Sep 7 2007
  • RE: Equality constraint in Lab4

    Hi, Good to see that you found the source of your error, and that you are willing to own up to a simple mistake. Such mistakes are far from uncommon - for both people new to the subject, and for people that have worked with this stuff for some time. My guess is that you found the mistake the same way I often catch mine: you've thought it ...
  • RE: Equality constraint in Lab4

    Silly me. that was an external uniquness constraint set to preferred itentifier -- not an equality constraint. They do look very similar. All is clear to me now...
    Posted to Open Discussion & Feature Requests (Forum) by JO3Y on Wed, Sep 5 2007
  • RE: DB schema requirement

    ''... might be better that to use it as a DB schema requirement'' Where could I learn more about setting DB schema requirments? Thanks Joe
    Posted to Open Discussion & Feature Requests (Forum) by JO3Y on Fri, Aug 31 2007
  • Display Role Name

    I'm trying to follow the directions to recreate the diagram in Lab 4, slide 24 In the model notes there is a textual constraint: For each Project: existing completionDate >= startDate I believe startDate and completionDate are supposed to be role names. in the PPT, these are shown as bracketed blue text by the respective FactTypes. I ...
    Posted to Technical support (Forum) by JO3Y on Fri, Aug 31 2007
  • RE: Equality constraint in Lab4

    thanks Brian, your explanation regarding role sequences clarifies the matter. maybe one day the constraint should be re-named 'sequence constraint' for anyone who might be interested in the exercise left to the reader on the last page of Lab 4, I did the following tests. Test 1 Thing is a real thing Thing is a tangible thing - ...
    Posted to Open Discussion & Feature Requests (Forum) by JO3Y on Fri, Aug 31 2007
  • RE: Equality constraint in Lab4

    Hi, The name 'equality constraint' may be misleading. You might think that it's some form of test for equality of values. What the constraint really enforces is a constraint on which roles, or role sequences must be played by an object, if that object participates in a role or role sequence in a different fact type. For example, if you had a ...
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