adplus-dvertising
frame-decoration

Question

The protocol that indicates when a transaction may lock and unlock each of the data items is called as __________

a.

Locking protocol

b.

Unlocking protocol

c.

Granting protocol

d.

Conflict protocol

Posted under DBMS

Answer: (a).Locking protocol

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. The protocol that indicates when a transaction may lock and unlock each of the data items is called as __________

Similar Questions

Discover Related MCQs

Q. If a transaction Ti may never make progress, then the transaction is said to be ____________

Q. The two phase locking protocol consists which of the following phases?

Q. If a transaction may obtain locks but may not release any locks then it is in _______ phase

Q. If a transaction may release locks but may not obtain any locks, it is said to be in ______ phase

Q. A system is in a _______ state if there exists a set of transactions in which every transaction is waiting for another transaction in the set.

Q. Which of the following is not a method in deadlock handling

Q. Deadlocks can be prevented using

Q. State true or false: Wait die scheme is a non-preemptive technique

Q. Lock timeouts have which of the following advantages?

Q. The _________ graph describes deadlocks precisely

Q. How do we generally recover from a deadlock?

Q. State true or false: Partial rollback is not possible.

Q. Which of the following steps must be taken while choosing a victim?

Q. Which of the following cannot be used to implement a timestamp

Q. A logical counter is _________ after a new timestamp has been assigned

Q. W-timestamp(Q) denotes?

Q. R-timestamp(Q) denotes?

Q. A ________ ensures that any conflicting read and write operations are executed in timestamp order

Q. The default timestamp ordering protocol generates schedules that are

Q. State true or false: The Thomas write rule has a greater potential concurrency than the timestamp ordering protocol