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Author Question: An entity that associates the instances of one or more entity types and contains attributes specific ... (Read 73 times)

laurencescou

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on: Jul 7, 2018
An entity that associates the instances of one or more entity types and contains attributes specific to the relationships is called a(n):
 
  A) associative entity.
  B) connecting entity.
  C) intersectional entity.
  D) all of the above.

Question 2

The entity integrity rule states that:
 
  A) no primary key attribute can be null.
  B) referential integrity must be maintained across all entities.
  C) each entity must have a primary key.
  D) a primary key must have only one attribute.
Modern Database Management ¦ Hoffer, Venkataraman, Topi ¦ 13th Edition
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polinasid

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Reply #1 on: Jul 7, 2018
Answer to Question 1

A

Answer to Question 2

A


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laurencescou

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Reply #2 on: Jul 7, 2018
TY


polinasid

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Reply #3 on: Jul 7, 2018
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