⦁ what are the main reasons for introducing the concepts of superclasses and subclasses into an er model?(

1 answer:

7 0

It avoids describing similar concepts more than once, thereby saving you time and making the ER model more readable. It also adds more semantic information to the design in a form that is familiar to many people.

<em>Hope this helped! :)</em>

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Which was a Southern argument for slavery? Oh god help!!!!! :'D))

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Beth often falls sick, and when she does, she receives a lot of attention from her mother who dotes over her. beth's illnesses i

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During which stage of developing a critical perspective do you look for patterns?

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The stage of developing a critical perspective where you look for patterns is the analysis stage.

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