During the Phase the Validation Test Is Applied to the Transaction?

Explanation: During the validation phase, the validation test is applied to the transaction. This determines whether the transaction is allowed to proceed or not without causing a violation of serializability.

In which phase of optimistic method for concurrency control the validation test is applied to the transaction Mcq?

Validation phase is also known as optimistic concurrency control technique. In the validation based protocol, the transaction is executed in the following three phases: Read phase: In this phase, the transaction T is read and executed.

What are phases of validation based protocol?

At the end of transaction execution, while execution of the transaction, a validation phase checks whether any of transaction updates violate serializability. If there is no violation of serializability the transaction is committed and the database is updated; or else, the transaction is updated and then restarted.