The concurrency protocols which ensure both conflict serializability and freedom from deadlock
Q. State the concurrency protocols which ensure both conflict serializability and freedom from deadlock
1. 2-phase locking
2. Time-stamp ordering- Published on 16 Jun 15a. 1 only
b. 2 only
c. Both 1 and 2
d. Neither 1 nor 2
ANSWER: 2 only
As the time- stamp ordering is a non-lock concurrency control method. It is used to safely handle transactions.