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 115 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


carlsona147

  • Member
  • Posts: 341
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

For a complete list of videos, visit our video library