Database Systems MCQs – Practice Test 1 (Chapter 3)

Concurrency Control MCQs with Answers PDF Download – Test 1

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Concurrency Control MCQs – Practice Test 1 PDF Download

MCQ 1: A protocol that ensures the system will never enter a deadlock state is called:

Deadlock detection
Deadlock elimination
Deadlock prevention
Deadlock recovery

MCQ 2: An approach named Lock timeouts is used for:

Deadlock detection
Deadlock elimination
Deadlock recovery
Deadlock prevention

MCQ 3: The rigorous two-phase locking protocol permits releasing all locks at the:

Beginning of transaction
During execution of transaction
End of transaction
Never in the life-time of transaction

MCQ 4: The system must deal with the deadlocks that are not prevented by using schemes of:

Validation
Deadlock detection
Deadlock recovery
Both A and B

MCQ 5: A scheme that creates a new version of a data item for each transaction is defined by:

Concurrency control scheme
Multiversion concurrency control scheme
Timestamp concurrency control scheme
Wound concurrency control scheme

Database Systems MCQs App & e-Book – Concurrency Control Study Guide

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