True Or False

Question 6 :

The degree of a relationship refers to the number of entity classes in the relationship.


A). True
B). False
Answer : Option A

Question 7 :

Entities use identifiers while tables use keys.


A). True
B). False
Answer : Option A

Question 8 :

Composite identifiers consist of two or more attributes.


A). True
B). False
Answer : Option A

Question 9 :

When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships.


A). True
B). False
Answer : Option B

Question 10 :

A subtype entity is a special case of another entity called a supertype entity.


A). True
B). False
Answer : Option A