In general, each relation should have ________. A) one and ...

[londonang]

In general, each relation should have ________.
 
  A) one and only one theme
  B) one or more themes
  C) exactly two themes
  D) one or two themes

Question 2

Minimum cardinality refers to ________.
 
  A) the most instances of one entity class that can be involved in a relationship with one instance of another entity class
  B) the minimum number of entity classes involved in a relationship
  C) whether or not an instance of one entity class is required to be related to an instance of another entity class
  D) whether or not an entity is a weak entity

[Swizqar]

Answer to Question 1

A

Answer to Question 2

C

[londonang]

Thank you

[Swizqar]

Happy to help you