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Author Question: A composite identifier is defined as a composite attribute that is an identifier. Indicate ... (Read 180 times)

segrsyd

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on: Jul 7, 2018
A composite identifier is defined as a composite attribute that is an identifier.
 
  Indicate whether the statement is true or false

Question 2

A surrogate key is an artificial column that is added to a relation to be its primary key.
 
  Indicate whether the statement is true or false


fwbard

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

FALSE

Answer to Question 2

TRUE


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segrsyd

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Reply #2 on: Jul 7, 2018
Correct answers!


fwbard

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Reply #3 on: Jul 7, 2018
Great! Please up vote :D


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