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Author Question: One advantage of optimistic locking is that the lock is obtained only after the transaction is ... (Read 50 times)

shofmannx20

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on: Jul 7, 2018
One advantage of optimistic locking is that the lock is obtained only after the transaction is processed.
 
  Indicate whether the statement is true or false

Question 2

A candidate key is:
 
  A) required to be unique.
  B) used to represent rows in relationships.
  C) a candidate to be the primary key.
  D) Both A and B
  E) All of the above


cdmart10

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

TRUE

Answer to Question 2

E


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