Author Question: A ternary relationship is a relationship between instances of two entity types and is the most ... (Read 38 times)

P68T

  • Hero Member
  • *****
  • Posts: 509
A ternary relationship is a relationship between instances of two entity types and is the most common type of relationship encountered in data modeling.
 
  Indicate whether the statement is true or false

Question 2

Each entity type in the E-R diagram becomes a relation. The identifier of the entity type becomes the ________ of the relation, and other attributes of the entity type become non-primary key attributes of the relation.
 
  A) Foreign key
  B) Index
  C) Unique key
  D) Primary key



HandsomeMarc

  • Sr. Member
  • ****
  • Posts: 360
Answer to Question 1

FALSE

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

For a complete list of videos, visit our video library