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Author Question: A key of an intersection table is always the combination of the keys of both parents. Indicate ... (Read 42 times)

JMatthes

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A key of an intersection table is always the combination of the keys of both parents.
 
  Indicate whether the statement is true or false

Question 2

Subtype entities contain, apart from the identifier, only attributes that do not appear in the supertype.
 
  Indicate whether the statement is true or false



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dyrone

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Answer to Question 1

TRUE

Answer to Question 2

TRUE




JMatthes

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Reply 2 on: Jul 7, 2018
Wow, this really help


Jossy

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Reply 3 on: Yesterday
:D TYSM

 

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