Re: Need help to understand difference, and contrast between Relational database model and the Object-Oriented model

Relax pal. So many emotions from a so short message.

I have been working both with object oriented design and database design 10 years. Sorry if my point of view on this subject is very different for yours.

Happy New Year!

Mike

"Bob Badour" <bbadour_at_golden.net> wrote in message news:<3vSdnfab76NpA2-iRVn-jg_at_golden.net>...
> Michael,
>
> I strongly suggest you learn some elementary data management before you post
> long detailed messages about the subject. Your post reveals profound
> ignorance on your part and is full of all too common misconception. You do
> everyone a tremendous disfavour by repeating such nonsense.
>
> Although, I can see why you would call yourself a most vociferous person.
>
> plonk
>
> "Michael Kuznetsov" <mvk37_at_hotmail.com> wrote in message
> news:a118d09d.0312302236.6da78b28_at_posting.google.com...
> > Hi Yensao,
> >
> > Relational database model and the Object-Oriented model are kind of
> > apple and oranges.
> >
> > Relational model usually uses to design tables of relational database.
> > Most common language for it is Entity-Relationship diagrams. That
> > diagrams describes only simple static relations between thinks
> > (entities).
> >
> > Object-oriented model often uses UML that consist of 9 types of
> > diagrams for describing static and dynamic behaviour of system. Most
> > useful and powerful using of UML is design and documenting system
> > written on object oriented languages like java or C++. It is possible
> > to use UML to describe relational database but it looks clumsy.
> >
> > In fact problem how to strictly much object-oriented and relational
> > representation is a big unsolved problem in modern compute science.
> > And now were created some big and difficult for using frameworks that
> > convert objects to database (in fact implementation of one model to
> > another). For example Oracle BC4J and TopLink. So both models are
> > useful but describe very different parts of software systems.
> >
> > Regards,
> >
> > Michael
> > Brainbench MVP for Oracle Programming
> > http://www.brainbench.com
> >
> > yensao20032000_at_yahoo.com.au (yensao) wrote in message
> news:<91e71e71.0312040939.2c90b9e5_at_posting.google.com>...
> > > Hi,
> > > I have a hard time to understand difference and similarities between
> > > Relational database model and the Object-Oriented model. Can somebody
> > > help me with this?
> > >
> > >
> > > Thank you in advance.
> > >
> > > Yensao
Received on Fri Jan 02 2004 - 06:22:54 CET