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Author Question: Which relation is created with the primary key associated with the relationship or associative ... (Read 91 times)

luminitza

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on: Jul 7, 2018
Which relation is created with the primary key associated with the relationship or associative entity, plus any non-key attributes of the relationship or associative entity and the primary keys of the related entities (as foreign key attributes)?
 
  A) Associative entity
  B) Associative entity with its own key
  C) Associative entity with additional key
  D) Binary 1:N relationship

Question 2

The ________ rule specifies that an entity instance of the super type does not have to belong to any subtype.
 
  A) Total specialization
  B) Partial specialization
  C) Overlap
  D) Disjoint
Modern Systems Analysis and Design ¦ Valacich, George ¦ 8th Edition
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Ahnyah

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

B

Answer to Question 2

B


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