Which of the following best defines a natural key?
A) It is an arbitrary, random key with no business meaning
B) It is an attribute that naturally belongs to the entity
C) It is made up of two or more attributes combined
D) It is an attribute that could potentially be used for a primary key
B
Business
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When one party is substituted for another in a contract, this is called which of the following:
a. Levi b. Subordination c. Novation d. Curtilage.
Business
The blackjack strategy illustrates a phenomenon called ________
A) representative heuristic B) availability heuristic C) escalation of commitment D) unexpected events E) expected events
Business