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Type your answer here... give the limitation of e-r model?how do you overcome this.

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12y ago

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The Entity-Relationship Model is often referred to as a semantic data model, because it more closely resembles real world scenarios than, e.g., the relational model. . In the ER model, we model the concept of "Instructors." In the relational model we deal with names and phone numbers. . In the ER model, there is a distinction between entities (objects) and relationships between such entities. In the relational model, both concepts are represented by relations.


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What is E-R data model?

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Two types of ER?

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