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Database Systems Exam MCQs – Practice Test 4 (Chapter 6)

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Database Recovery System MCQs – Practice Test 4 PDF Download

MCQ 16: Errors like bad input, data not found, overflow, or resource limit exceeded are examples of:

  1. View error
  2. System crash
  3. System error
  4. Logical error

MCQ 17: A data-loss in a disk block can be in result of:

  1. Head crash
  2. Sector crash
  3. Failure in data-transfer
  4. Both A and C

MCQ 18: The schemes that permits transactions to be active while the dump is in progress is called:

  1. Fuzzy dump
  2. Buffer dump
  3. Log dump
  4. Model dump

MCQ 19: 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

MCQ 20: The Log record type that describes a single database write is known as:

  1. Transaction log record
  2. Write log record
  3. Read log record
  4. Update log record

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