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Database Systems MCQs – Practice Test 6 (Chapter 3)

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Study Concurrency Control Multiple Choice Questions (MCQ Quiz) with Answers PDF to strengthen analytical skills. Download the Concurrency Control MCQ PDF e-Book, Ch. 3-6 to learn Database Systems Course. Solve Deadlock Handling Multiple Choice Questions (MCQs), Concurrency Control quiz with answers PDF for database educational technology. Download the Concurrency Control App: Free Database Systems MCQ App to learn concurrency in index structures, multiple granularity locking career test to complete DBMS coursework.

Free Concurrency Control MCQ App Download (Android & iOS): A deadlock can be broken down by; MCQ with answers: aborting one or more transactions, committing one or more transactions, rolling back one or more transactions, and terminating one or more transactions. Practice SQL Data Definition Quiz Questions, download Apple Book (Free Chapter) to strengthen analytical skills.

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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