Algorithms for Recovery and Isolation Exploiting Semantics MCQs Test Online PDF Book Download

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MCQ on Algorithms for Recovery and Isolation Exploiting Semantics Quiz Book 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