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  1. #1
    Join Date
    Jun 2004

    UML composition query


    can someone please advise, according to the composition diagram (see attachment):

    can a feature exist without having to specifiy a classifier?, or

    must a feature specify an owner classifier in order to exist?

    due to an appalling nights sleep, my brain is so tired im unable to work out this simple problem

    thanks in advance
    Attached Thumbnails Attached Thumbnails composition.png  

  2. #2
    Join Date
    Feb 2004
    In front of the computer
    Get some sleep, then work on it tomorrow. Doing your homework is the only real way to learn the material.


  3. #3
    Join Date
    Sep 2003
    The extremely Royal borough of Kensington, London
    A what diagram?


    What happened to real database theory courses in university. ERD diagrams and functional dependencies are the only true way to design a database. Keep application developers and their UML away!
    Bessie Braddock: Winston, you are drunk!
    Churchill: And Madam, you are ugly. And tomorrow, I'll be sober, and you will still be ugly.

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