Well, you are missing the importance of the associative class. Resolving
the many to many relationship isn't the only purpose of the class. There
is inevitably some information that must be captured at the associative
class level. Say you have two classes, Employee and Projects. There is
obviously a many to many relationship between these two classes. I want to
know how much time the Employee is spending on each Project and the role
the Employee participating on the project (e.g. business analyst,
programmer). This information needs to be stored at the associative class
level. An automatic associative resolution process (like provided in
ERwin) can't make the business modeling solutions to attribute the classes
correctly. Good old fashioned normalization can though.
Regards,
Walter Howard
Data Analyst
"Angay, Huseyin"
<Huseyin.Angay@egg. To: "'[EMAIL PROTECTED]'"
<[EMAIL PROTECTED]>
com> cc:
Sent by: Subject: RE: (ROSE) Finding
many-to-many relationships without
owner-rose_forum@ra associative s
tional.com
02/14/2002 08:48 AM
Please respond to
"Angay, Huseyin"
Hello David.
Are you looking for a way of doing this in SoDA?
I';m not sure about SoDA, but it is relatively simple to do using REI. Look
at all the associations and make sure that the cardinalities of their roles
are not many.
Am I missing something fundamental?
Best regards,
H�seyin Angay
Karabash Ltd.
www.karabash.co.uk
> -----Original Message-----
> From: Fletcher, David [mailto:[EMAIL PROTECTED]]
> Sent: 14 February 2002 09:59
> To: '[EMAIL PROTECTED]'
> Subject: (ROSE) Finding many-to-many relationships without
> associatives
>
>
>
> Hello list,
>
> Has anyone ever discovered how to write a report that detects
> the case of a
> many to many relationship that lacks and associative object?
> We are finding
> this necessary when generating database schemas from our very
> large class
> model.
>
> Thanks.
>
> David A Fletcher
>
> Digital hot desk number: 0870 904 5286
>
>
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