Concurrency Control Multiple Choice Questions and Answers 1 PDF Book Download

Concurrency control multiple choice questions (MCQs), concurrency control quiz answers, dbms test prep 1 to learn database online courses. Deadlock handling MCQs, concurrency control quiz questions and answers for admission and merit scholarships test. Practice deadlock handling, multiple granularity in dbms, concurrency in index structures career test for data analytics certification.

Learn concurrency control quiz with multiple choice questions: a protocol that ensures system will never enter a deadlock state is called, with choices deadlock elimination, deadlock detection, deadlock prevention, and deadlock recovery for online bachelor's degree computer science. Practice jobs' assessment test for online learning deadlock handling quiz questions with dbms MCQs for data science certification.

MCQs on Concurrency Control Test 1 PDF 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

C

MCQ: An approach named Lock timeouts is used for

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

D

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

C

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

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