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Author Question: Which of the following is not true about two-phased locking? A) Cannot obtain a new lock once a ... (Read 26 times)

Pineappleeh

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on: Jul 7, 2018
Which of the following is not true about two-phased locking?
 
  A) Cannot obtain a new lock once a lock has been released
  B) Uses only shared locks
  C) Has a growing phase
  D) Has a shrinking phase

Question 2

Referential integrity constraints are implemented in SQL using the ________ syntax.
 
  A) PRIMARY KEY
  B) FOREIGN KEY
  C) DEFAULT
  D) UNIQUE


Amiracle

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

B

Answer to Question 2

B


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