Multiple Granularity Locking MCQs Quiz Online PDF Download

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Database management system practice test MCQ: multiple-granularity locking protocol uses multiple lock modes to ensure with choices sequence , serializability , deadlocks and locking problem solving skills for summative and formative assessment, competitive exam prep, interview questions with answer key. Free study guide is for online learning multiple granularity locking quiz with MCQs to practice test questions with answers.

MCQs on Multiple Granularity Locking Quiz PDF Download

MCQ. Multiple-granularity locking protocol uses multiple lock modes to ensure

  1. Sequence
  2. Serializability
  3. Deadlocks
  4. Locking

B

MCQ. A set of rules applied over a transaction that may lock and unlock each of data items in database, is known to be

  1. Unlocking protocol
  2. Locking protocol
  3. Deadlock protocol
  4. Validation protocol

B

MCQ. A protocol that permits a transaction to lock a new data item only if it has not yet unlocked any data item, is called

  1. Two-phase unlocking protocol
  2. One-phase locking protocol
  3. Two-phase locking protocol
  4. One-phase unlocking protocol

C

MCQ. Exclusive locks are released at end of transaction to ensure

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

D

MCQ. Various concurrency-control schemes are used to ensure

  1. Serializability
  2. Deadlock prevention
  3. Timeouts
  4. Locking states

A