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brilliants [131]
3 years ago
5

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

Social Studies
1 answer:
Liula [17]3 years ago
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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