ISRO | ISRO CS 2017 – May | Question 5

Which of the following concurrency control protocol ensures both conflict serializability and free from deadlock?
(A) Time stamp ordering
(B) 2 Phase locking
(C) Both (a) and (b)
(D) None of the above

Answer: (A)
Explanation: Both Time stamp ordering and 2 Phase locking protocol ensures conflict serializability but only Time stamp ordering protocol provides freedom from deadlock.
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