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logical vs relational

don123Nov 26 2012 — edited Nov 27 2012

hi,

There are two notations in logical model (Barker and Backman).
The Backman notation in logical model looks like relational model in look and feel.
I want to know the difference between logical and relational in oracle data modeler.
How can i correlate with design theory like (conceptual, logical, physical) ??

regards

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Locked on Dec 25 2012

Added on Nov 26 2012

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