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Sorry for the late response. We have been very busy with adding extra capabilities to NORMA.
We plan to add support for VS2010 by the time it is officially released (around March). I'll leave it to Matt Curland to discuss how much work this involves, as he will be the one doing it.
Kind regards
Terry
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Dear Josue,
Thanks for your interest in ORM and how it relates to SBVR. I'm not sure I understand your question, but reference (identification) in ORM is handled basically as follows.
Values (lexical objects) are constants that identify themselves, e.g. the country code 'AU'.
Entities (nonlexical objects) are ...
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Hi Misha
Thanks for your quick response. As you indicate, our approach has always been to first declare the fact type, and later add constraints to it. The ability to speak of a fact type independent of its constraints is helpful in many ways. For example, with multi-model applications, the same fact type may appear in different models but with ...
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Hi Steve
Unfortunately, NORMA does not yet support reuse of externally defined subschemas, but this is one of the features that we do plan to add, along with much better support for relational schemas (e.g. multi-page diagrams, column order control, and incremental change support).
Cheers
Terry
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Dear Misha
Thanks for your query about verbalizing unary facts and unary fact types (e.g. Person smokes). This is the first I've heard of any business people misinterpreting NORMA's unary fact type verbalization as implying the fact type role is mandatory. If they read the fact type that way, then I'm surprised they don't read ...
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I agree that it is highly desirable when viewing relational tables to have them ordered in a way for convenient viewing, e.g. list the most important columns first (e.g. PK columns) and keep related columns grouped together (e.g. parts of an address or name).
Unfortunately, NORMA does not let you do this yet (other than your manually ...
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Hi Clifford
I share your desire to have a common ORM2 metamodel that can be used to facilitate exchange of models between different ORM tools. As you know, I initiated a by-invitation-only forum long ago to achieve this objective, but that was discontinued after it became clear that consensus was not going to be easily obtained in this way.
For ...
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Hi Martin
Good question. Modeling of collection types of various kinds (sets. ordred sets, bags, sequences, and arrays) is discussed in section 10.4 of the book. But the quick answer is that for asserted fact types, ORM currently requires at least a spanning uniqueness constraint. So the populations of asserted fact types are ...
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Real life is sometimes more complicated than one might wish. There are many examples in practice where disjunctive reference schemes are used (the botanical example in both editions of my book is a simplified version of one of these cases). The problem with Andy's initial example that gave rise to the error message seems to be that the ...
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Hi Josue
I just posted a response to your identical question on the "Other Tools" forum.
Cheers
Terry