This topic contains a solution. Click here to go to the answer

Author Question: When representing a one-to-many relationship in a relational database design, ________. A) the ... (Read 63 times)

123654777

  • Hero Member
  • *****
  • Posts: 585
When representing a one-to-many relationship in a relational database design, ________.
 
  A) the parent is always on the one side of the one-to-many relationship
  B) the child is always on the one side of the one-to-many relationship
  C) either parent or child can be on the one side of the one-to-many relationship, and the choice is arbitrary
  D) either parent or child can be on the one side of the one-to-many relationship, and special criteria indicate which table should be on the one side

Question 2

An entity that holds specialized attributes that distinguish it from one or more other similar entities is a ________.
 
  A) supertype
  B) subtype
  C) discriminator
  D) parent



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bob

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

A

Answer to Question 2

B




123654777

  • Member
  • Posts: 585
Reply 2 on: Jul 7, 2018
Thanks for the timely response, appreciate it


covalentbond

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

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

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

For a complete list of videos, visit our video library