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Author Question: Which of the following is true about a key? A) It may be unique. B) It may be non-unique. C) In ... (Read 61 times)

Hungry!

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on: Jul 7, 2018
Which of the following is true about a key?
 
  A) It may be unique.
  B) It may be non-unique.
  C) In may identify more than one row.
  D) Both A and B
  E) All of the above

Question 2

When developing a database system, the database is constructed during the implementation phase.
 
  Indicate whether the statement is true or false


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meryzewe

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

E

Answer to Question 2

TRUE


Hungry!

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Reply 2 on: Jul 7, 2018
Gracias!

momolu

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Reply 3 on: Yesterday
Wow, this really help

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