Author Question: A foreign key in a relation that references the primary key values of that same relation is referred ... (Read 98 times)

newyorker26 · **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

meltdown117 · **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