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Author Question: A key that consists of two or more attributes combined to make a unique value is called: A) ... (Read 85 times)

abc

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on: Jul 7, 2018
A key that consists of two or more attributes combined to make a unique value is called:
 
  A) Candidate key
  B) Natural key
  C) Surrogate key
  D) Composite key

Question 2

Which of the following is the term for an anomaly in which you cannot enter data because other data is required?
 
  A) Insertion anomaly
  B) Update anomaly
  C) Deletion anomaly
  D) None of the above


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helenmarkerine

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

D

Answer to Question 2

A


abc

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Reply 2 on: Jul 7, 2018
Gracias!

helenmarkerine

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Reply 3 on: Yesterday
Excellent

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