A relationship between the instances of one entity type is a: ...

[rayancarla1]

A relationship between the instances of one entity type is a:
 
  A) unary relationship.
  B) binary relationship.
  C) ternary relationship.
  D) singular occurrence.
  E) partnership occurrence.

Question 2

The extent to which all necessary components of a data-flow diagram have been included and fully described defines:
 
  A) DFD consistency.
  B) DFD completeness.
  C) DFD gap proofing.
  D) DFD flexibility.
  E) DFD cohesion.

[guyanai]

Answer to Question 1

A
Explanation: A) An example of a unary relationship is a customer being referred by another customer. Both customers are from the same entity.
CL

Answer to Question 2

B
Explanation: B) Not only must all necessary elements of a DFD be present, each of the components must be fully described in the project dictionary.
CL

[rayancarla1]

TY

[guyanai]

Happy to Help