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

Author Question: A foreign key in a relation that references the primary key values of that same relation is referred ... (Read 54 times)

newyorker26

  • Hero Member
  • *****
  • Posts: 536
A foreign key in a relation that references the primary key values of that same relation is referred to as a:
 
  A) secondary key.
  B) recursive foreign key.
  C) composite key.
  D) complex key.
  E) concatenated key.

Question 2

Porter defined value as the amount of money that a customer is willing to pay for a resource, product, or service.
 
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

meltdown117

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

B
Explanation: B) This takes place with recursive relationships between the instance of a single entity type.
CL

Answer to Question 2

TRUE




newyorker26

  • Member
  • Posts: 536
Reply 2 on: Jul 7, 2018
Wow, this really help


CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

For a complete list of videos, visit our video library