True Or False

Question 16 :

An entity class is a collection of entities and is described by the structure of the entities in that class.


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

Question 17 :

Relationship classes are associations between entity classes.


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

Question 18 :

An identifier typically uses more than one attribute.


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

Question 19 :

An identifier determines the type of relationship that an entity has.


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

Question 20 :

A recursive relationship is a relationship between an archetype and an instance of that archetype.


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