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 117 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
Wow, this really help


Animal_Goddess

  • Member
  • Posts: 339
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

For a complete list of videos, visit our video library