Concurrency Control Multiple Choice Questions 1 PDF Download

Practice concurrency control multiple choice questions (MCQs), db test 1 for online course prep exams. Learn deadlock handling MCQs questions and answers on deadlock handling, multiple granularity in dbms, concurrency in index structures with answers.

Free concurrency control quiz online, study guide has multiple choice question on a protocol that ensures system will never enter a deadlock state is called with options deadlock elimination , deadlock detection , deadlock prevention and deadlock recovery to test online e-learning skills for viva exam prep and job's interview questions with answers key. Study to learn deadlock handling quiz questions with online learning MCQs for competitive exam preparation test.

MCQ on Concurrency Control Quiz PDF Download Test 1

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

  1. Deadlock detection
  2. Deadlock elimination
  3. Deadlock prevention
  4. Deadlock recovery

C

MCQ. An approach named Lock timeouts is used for

  1. Deadlock detection
  2. Deadlock elimination
  3. Deadlock recovery
  4. Deadlock prevention

D

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

  1. Beginning of transaction
  2. During execution of transaction
  3. End of transaction
  4. Never in the life-time of transaction

C

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

  1. Validation
  2. Deadlock detection
  3. Deadlock recovery
  4. Both A and B

D

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

  1. Concurrency control scheme
  2. Multiversion concurrency control scheme
  3. Timestamp concurrency control scheme
  4. Wound concurrency control scheme

B