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 51 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
Gracias!


31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

For a complete list of videos, visit our video library