Author Question: Which relation is created with a composite primary key (which includes the primary key of the entity ... (Read 130 times)

vHAUNG6011

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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


perkiness

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Answer to Question 1

D

Answer to Question 2

B



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