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Author Question: A foreign key in a relation that references the primary key values of that same relation is referred ... (Read 122 times)

newyorker26

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on: Jul 7, 2018
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


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meltdown117

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Reply #1 on: Jul 7, 2018
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

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Reply 2 on: Jul 7, 2018
Wow, this really help

xthemafja

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Reply 3 on: Yesterday
Excellent

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