Algorithms for Recovery and Isolation Exploiting Semantics MCQs Quiz Online PDF Download

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Database management system practice test MCQ: pass that determines which transactions to undo is known as with choices redo pass, analysis pass, undo pass and logical pass problem solving skills for summative and formative assessment, competitive exam prep, interview questions with answer key. Free study guide is for online learning algorithms for recovery and isolation exploiting semantics quiz with MCQs to practice test questions with answers.

MCQs on Algorithms for Recovery and Isolation Exploiting Semantics Quiz PDF Download

MCQ. Pass that determines which transactions to undo is known as

  1. Redo pass
  2. Analysis pass
  3. Undo pass
  4. Logical pass

B

MCQ. An ef?cient implementation of a recovery scheme requires that number of writes to be

  1. Minimum
  2. Maximum
  3. Dependent
  4. Independent

A

MCQ. Features provided by ARIES are nested top actions, recovery independence and

  1. Fine-grained locking
  2. Savepoints
  3. Recovery optimizations
  4. All of the Above

D

MCQ. In log-based schemes, all updates are recorded on

  1. Blocks
  2. Logs
  3. Disks
  4. Main memory

B

MCQ. Transaction processing is based on a

  1. Validation model
  2. Recovery model
  3. Storage model
  4. Network model

C