Section 5
(Answer all questions in this section)

  1. Many-to-Many relationships are perfectly acceptable in a finished ERD. There is no need to do any more work on them. True or False?

True

  False 



  2. When you resolve a M-M by creating an intersection entity, this new entity will always inherit:

The attributes of both related entities.

  A relationship to each entity from the original M-M. 

The UID's from the entities in the original M-M.

Nothing is inherited from the original entities and relationship.

 

  3. If an intersection entity is formed that contains no attributes of its own, its uniqueness may be modeled by

Creating new attributes.

  Barring the relationships to the original entities. 

Placing the UID attributes from the original entities into the intersection entity.

None of the above.