Concurrency Control Multiple Choice Questions and Answers 1 PDF Book Download

Concurrency control multiple choice questions (MCQs), concurrency control test prep to learn dbms quiz 1 for CS degree free online courses. Learn deadlock handling multiple choice questions (MCQs), concurrency control quiz questions and answers. Free e-learning tutorial on deadlock handling, multiple granularity in dbms, concurrency in index structures test prep for SQL server certification.

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MCQ on Concurrency Control Test 1Quiz Book Download

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

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


MCQ: An approach named Lock timeouts is used for

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


MCQ: 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


MCQ: System must deal with deadlocks that are not prevented by using schemes of

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


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