True Or False

Question 1 :

An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity.


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

Question 2 :

A ternary relationship is so called because in contains two entities and one association between them.


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

Question 3 :

All instances of an entity class have the same attributes.


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

Question 4 :

A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance.


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

Question 5 :

An attribute describes the entity's characteristics.


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