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QHow are the entity–relationship model and the relational model related?

ID: #13395 Database Concepts MCQs 93 views
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#13395Q ID
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  • A They are entirely separate and unrelated models. ✔ ✖
  • B The entity–relationship model is a subset of the relational model. ✔ ✖
  • C The relational model is a subset of the entity–relationship model. ✔ ✖
  • D The two models have become irrelevant and are no longer used. ✔ ✖
Correct Answer: Option C

Explanation

Over time, the entity–relationship constructs have been incorporated as a data modeling construct within the relational model.
Today, the distinction between the two models has become less relevant, and they are often used together to design and represent databases.

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