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Which of the following gives a logical structure of the database graphically?

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Which of the following gives a logical structure of the database graphically?

(a) Entity-relationship diagram

(b) Entity diagram

(c) Database diagram

(d) Architectural representation

I have been asked this question during a job interview.

Enquiry is from Entity-Relationship Diagrams topic in section Database Systems Design and Implementation of Database Management

1 Answer

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Best answer
Right choice is (a) Entity-relationship diagram

The best explanation: E-R diagrams are simple and clear—qualities that may well account in large part for the widespread use of the E-R model.

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