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Author Question: Which relation is created with a composite primary key (which includes the primary key of the entity ... (Read 62 times)

vHAUNG6011

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on: Jul 7, 2018
Which relation is created with a composite primary key (which includes the primary key of the entity on which this weak entity depends) and non-key attributes?
 
  A) Associative entity with additional key
  B) Super-type
  C) Regular entity
  D) Weak entity

Question 2

The ________ rule specifies that an entity instance can simultaneously be a member of two (or more) subtypes.
 
  A) Business
  B) Overlap
  C) Disjoint
  D) Total specialization
Modern Systems Analysis and Design ¦ Valacich, George ¦ 8th Edition
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perkiness

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

D

Answer to Question 2

B


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vHAUNG6011

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Reply #2 on: Jul 7, 2018
Thank you :)


perkiness

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Reply #3 on: Jul 7, 2018
Happy to help you


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