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Concurrency Control MCQs with Answers PDF Download – Test 1

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Learn Concurrency Control Multiple Choice Questions (MCQs) with Answers PDF to learn SQL remotely. Download the Concurrency Control MCQs PDF e-Book, Ch. 3-1 to study Database Systems Course. Practice Deadlock Handling MCQs, Concurrency Control Notes questions and answers PDF to develop online expertise. Free Concurrency Control MCQs App: Download the Database Systems Study App to study multiple granularity in dbms, concurrency in index structures career test for database research projects.

Study "Concurrency Control MCQs" App Download with MCQ: A protocol that ensures the system will never enter a deadlock state is called; with answers: deadlock elimination, deadlock detection, deadlock prevention, and deadlock recovery. Solve Modification of Database Quiz Questions, download Google e-Book (Free Chapter) to learn SQL remotely.

Concurrency Control MCQs – Practice Test 1 PDF Download

MCQ 1: 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

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

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

MCQ 3: 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

MCQ 4: 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

MCQ 5: 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

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