Wednesday 1 July 2015

Q8,p3,d14. Which of the following is correct ?



I. Two phase locking is an optimistic protocol.
II. Two phase locking is pessimistic protocol
III. Time stamping is an optimistic protocol.
IV. Time stamping is pessimistic protocol.
(A) I and III (B) II and IV
(C) I and IV (D) II and III
Answer D.
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