Question 1

The number of instances of entity B that can (or must) be associated with each instance of entity A refers to:

Accepted Answer

A)  cardinality. 
B)  domain. 
C)  ternary occurrence. 
D)  participation level. 
E)  join level.

Question 2

A candidate key that has been selected as the unique, identifying characteristic for an entity type is called a(n):

Accepted Answer

A)  attribute. 
B)  identifier. 
C)  secondary key. 
D)  gerund. 
E)  index.

Exam 7: Structuring System Requirements: Conceptual Data Modeling

The number of instances of entity B that can (or must) be associated with each instance of entity A refers to: