Skip to content
Related Articles

Related Articles

UGC-NET | UGC NET CS 2014 Dec – III | Question 8
  • Last Updated : 28 Jun, 2018

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)

Explanation: Two phase locking is pessimistic protocol and Time stamping is an optimistic protocol.
For more information On two phase locking protocol and time stamp protocol Refer:DBMS | Concurrency Control Protocol | Two Phase Locking (2-PL)-III and DBMS | Concurrency Control Protocols | Timestamp Ordering Protocols
Option (D) is correct.

Quiz of this Question

Attention reader! Don’t stop learning now. Get hold of all the important DSA concepts with the DSA Self Paced Course at a student-friendly price and become industry ready.

My Personal Notes arrow_drop_up
Recommended Articles
Page :