Database Systems MCQs - Chapter 3

Concurrency Control Multiple Choice Questions PDF Download - 9

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The Multiple Choice Question (MCQ Quiz): A protocol that requires each transaction to be executed in two or three different phases in its lifetime, is called; "Concurrency Control" App Download (Free) with answers intention mode protocol, recovery protocol, exclusive mode protocol and validation protocol to learn online training courses. Solve multiple granularity locking quiz questions, download Google eBook (Free Sample) for computer information science.

Concurrency Control Questions & Answers PDF Download: MCQ Quiz 9

MCQ 41: A protocol that requires each transaction to be executed in two or three different phases in its lifetime, is called

A) Recovery protocol

B) Intention mode protocol

C) Exclusive mode protocol

D) Validation protocol

MCQ 42: Multiversion two-phase locking, requires transactions to be declared as

A) Read-only

B) Update

C) Write-only

D) Both A and B

MCQ 43: Graph-based locking protocols impose restrictions on the

A) Order of execution

B) Order of access

C) Order of evaluation

D) Order of cascading

MCQ 44: The two-phase locking protocol ensures

A) No Delays

B) Unlocking

C) Validation

D) Serializability

MCQ 45: The deadlock prevention scheme named wait-die is a

A) Nonpreemptive technique

B) Preemptive technique

C) Linear preemptive technique

D) Non-linear preemptive technique

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