Hello and welcome one and all. Sorry for the delayed startup, but there was some consternation over perceived conflict between this list and the aims of the...
Hello, I would like to extend some of the ideas presented in this article regarding Composition. http://www.orm.net/pdf/orm-jcm8.pdf I have the following...
... This is one of several ways to model this, and this approach needs an additional constraint that says that Manager is not a ParttimeEmployee (as you've...
... Thanks Clifford for your clear analysis of what I am trying to model. Well if it helps I am completely open to any other ways to model composition. Indeed...
... Ok, that's fine, I just wanted to list some alternatives. Another one would be to have a unary fact type "isPartTime", and dispense with both subclasses....
... Are subset constraints the same as join constraints ? What is indicated by a subset constraint is that population of B is a subset of population of A. Is...
Aswin, You're asking a lot of diverse questions. You do have a textbook on ORM, yes? There are very detailed descriptions and examples in Terry's book that...
... I am not a student but a teacher trying to come up with a ORM course in a country where people are not at all naturally inclined towards ORM or even heard...
... Ahh, ok, I'm sorry - you said it was coursework and I assumed you must be a student. Humble apologies. What books do you have on ORM? If you can get a copy...
... No problems. I have lived and worked in the US for several years. Even there I dont think I could have convinced my Project Manager to allow me to do ORM...
... ORM can be like prayer in jail - they can't stop you, and you only need to show them the final result ;-). ... Nearly all the material in both places is by...
... True enough. I dont think I could get permission to teach a ORM class in this country yet but what I could do is to teach it in conjunction it with...
... I suspect the ORM would be fine, if you can get it. When we tried VSEA on some real databases, it threw errors and gave us nothing :-(. The value would be...
-> ... We are going to use Oracle. I am not sure I have worked in a project that doesnt have referential integrity constraints with Oracle. Which databases did...
Hi, The March 2007 CTP of the NORMA Object Role Modeling tool is avaialable for downloading at http://sourceforge.net/projects/orm. All NORMA CTPs require MS...
... Microsoft SQL Server. Unfortunately I don't have any more information than that any more, though I still have more recent versions of the DDL that defined...
L that defined the problematic DBs, so I could try it again. ... Definitely. As part of preparing for the course I will be installing Oracle, MS Visual Studio...
... I am sorry-I didnt quite get the Express Edition part. Express Edition is the download that is free. We are yet to get what Brian asked me to get-the MS...
... No, I mean that I can get Oracle Express Edition to test with. For NORMA, you need VS 2005 Pro - I wasn't talking about that. ... As in standard SQL -...
Hi, Besides the traditional use as a modeling methodology for creating database schema, has anyone explored the use of Object Role Modeling methodology and...
... I haven't explored it, but I plan to. The process models themselves need modeling, but they need to describe the data that's passed in, out, and between...
Currently there is work being done with BPMN in a tool produced along side the NORMA tool. The Graphical Workflow Engine (GWEN) tool is currently making...
Hi, Thanks for the information. I just attended an MSDN Road Show, here in CT. The presenters did an overview and demo of the WF foundation and we also got...
Hi Clifford, Thanks for the note about YAWL, I'll have to look into that. The point about step-wise nature of WF/BPM (by the way, like everything else, there's...
GWEN is posted as a project on sourceforge.net. Yes there are arguments over what notation and meanings are in the BPMN community. Its interesting now that...
Hi Jaron, More good info - thanks. I'll need to chew on this a bit, and look deeper into BPM notation. Yes, I noticed the OMG sponsorship for BPMN. I also...
Folk, This message to the information_modeling list contains some stuff that might not make sense to those who haven't been involved in implementing ORM, so...
Hi Clifford, Do you have any illustrations, that you can post as pictures or files in folders here, to give us a better idea of what you have in mind? ... What...
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