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Author Question: How many tables in the relational schema mapped from the Eaglerun Trucking Dispatcher ER diagram ... (Read 95 times)

faduma

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How many tables in the relational schema mapped from the Eaglerun Trucking Dispatcher ER diagram will have composite primary keys?
 
  A) 0
  B) 1
  C) 2
  D) 3

Question 2

The following attribute can contain more than one value for each entity instance.
 
  A) Unique attribute
  B) Composite attribute
  C) Multivalued attribute
  D) Derived attribute



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jaaaaaaa

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Answer to Question 1

B

Answer to Question 2

C





 

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