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Database Systems MCQs – Practice Test 8 (Chapter 3)

Concurrency Control Notes Questions with Answers PDF Download – Test 8

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Free Database Systems Notes App with MCQ: "A way of guarding against deadlock prevention is to"; with answers: order the execution, order data items, order access, and order cascading. Practice Concurrency Control Concept in DBMS Quiz Questions, download Kobo e-Book (Free Chapter) to develop professional skills.

Concurrency Control MCQs – Practice Test 8 PDF Download

MCQ 36: A way of guarding against deadlock prevention is to:

  1. Order data items
  2. Order the execution
  3. Order access
  4. Order cascading

MCQ 37: Serializability can be ensured by the two-phase locking protocol but not:

  1. Unlocking freedom
  2. Locking freedom
  3. Deadlock freedom
  4. Access freedom

MCQ 38: A protocol that requires that each transaction must issue lock and unlock requests in two phases, is called:

  1. Bi-lock locking protocol
  2. Two-phase locking protocol
  3. Two-level locking protocol
  4. Lock-point locking protocol

MCQ 39: To ensure deadlock prevention, we can use the preemption approach and:

  1. Rollbacks
  2. Timestamping
  3. Cascading
  4. Validating

MCQ 40: A write operation in multiversion timestamp ordering, may result into the:

  1. Abortion of transaction
  2. Termination of transaction
  3. Rollback of transaction
  4. Waiting of transaction

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