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| Re: [ATL] UML class diagram to ER [message #30459 is a reply to message #30424] |
Tue, 10 April 2007 00:10   |
Eclipse User |
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Originally posted by: carrasco.ModelDrivenDevelopment.co.uk
Bea,
You may generate an intermediate ER schema,
if you need to perform some human-intelligent manipulations on the ER,
before produccing the DDL. This is usually the case in most teams.
You may indeed transform directly from classes to SQL DDL,
as long as you have completelly designed your transformations from class to
DDL.
You may want to restrict constructs in the UML classes,
to those you can transform properly into DDL.
Inheritance, Many-to-many associations, identity, ...
are some of the classical issues you need to decide upon.
Cheers!
ACV
"Bea" <beaperez@unizar.es> wrote in message
news:evdaap$jlp$1@build.eclipse.org...
> Hello,
> I have a UML class diagram from which I would like to obtain a SQL schema.
> I have thought in obtaining from the class diagram the ER schema and
> later, getting the SQL schema. Nevertheless, it is also possible to get
> directly the SQL schema from the class diagram.
>
> I don't know waht is the better solution, any idea?
>
> Thanks in advance
> Bea
>
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