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Database Systems MCQs – Practice Test 6 (Chapter 3)

Concurrency Control MCQ with Answers PDF Download – Test 6

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The Concurrency Control Multiple Choice Questions (MCQ Quiz) with Answers PDF (Concurrency Control MCQ PDF e-Book) download Ch. 3-6 to learn Database Systems Course. Solve Deadlock Handling Multiple Choice Questions (MCQs), Concurrency Control quiz with answers PDF to learn SQL certification courses. Download the Database Systems MCQ App – Free Concurrency Control MCQ App to learn concurrency in index structures, multiple granularity locking career test for online computer science engineering.

The MCQ: Deadlock prevention approaches are of; "Database Systems MCQ" App (Android, iOS) with answers: 3 types, 2 types, 4 types, and 5 types to learn SQL certification courses. Practice SQL Data Definition Quiz Questions, download Apple Book (Free Chapter) for online college courses.

Concurrency Control MCQ – Practice Test 6 PDF Download

MCQ: 26

Deadlock prevention approaches are of

  1. 2 types
  2. 3 types
  3. 4 types
  4. 5 types
MCQ: 27

A deadlock can be broken down by

  1. Committing one or more transactions
  2. Aborting one or more transactions
  3. Rolling back one or more transactions
  4. Terminating one or more transactions
MCQ: 28

Exclusive locks are released at the end of the transaction to ensure

  1. Recoverability
  2. Cascadelessness
  3. Key-value locking
  4. Both A and B
MCQ: 29

Various concurrency-control schemes are used to ensure

  1. Serializability
  2. Deadlock prevention
  3. Timeouts
  4. Locking states
MCQ: 30

For dealing with the not-prevented deadlocks, the system constructs

  1. Wait-wound graph
  2. Wait-for graph
  3. Wound-for graph
  4. Wound-wait graph

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