Question

What are example/s of entities in Entity--Relationship Modeling?

a.

Books identified by their ISBN

b.

Library employees identified by their employee number

c.

Copies of a book identified by their publication year

d.

Both a and b

Posted under Modeling Software Engineering

Answer: (d).Both a and b Explanation:Examples of entities in Entity--Relationship Modeling are tangible objects such as copies of a book identified by some number and intangible objects such as books identified by their ISBN or members of some organizational construct such as library employees identified by their employee number.

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