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ERD Diagram with inheritance

Join Date: Apr 2008
Posts: 295
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Re: ERD Diagram with inheritance

  #2  
Apr 21st, 2008
hi,

there is an extension to Chen's ERM what is called ISA relationship (is a .. ) for modelling generalization/specialization hierarchies, which also can be used to express inheritances. Maybe this will help you.

krs,
cliff
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