Which of the following is NOT a design choice when using the ER model?

a. Entity vs. Attribute

b. Entity vs. Relationship

c. Binary Relationship vs. Ternary

d. Relationship vs. N-ary Relationship

e. None of the above

Relationship vs N-ary Relationship

Explanation:

It is not part of the design choice in ER model because N-ary reflects an indefinite form or better still creates an identifying attribute in an ER relationship. Example is the process of creating an auto-generated ID value