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Database Systems MCQs – Practice Test 1 (Chapter 6)

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Free Database Recovery System Study App Download: Type of blocks that resides on the disk are known as; MCQ with answers: physical blocks, logical blocks, disk blocks, and buffer blocks. Solve Ordered Indices Quiz Questions, download Google e-Book (Free Chapter) to enhance database knowledge.

Database Recovery System MCQs – Practice Test 1 PDF Download

MCQ 1: Log records contain:

  1. Old value
  2. New value
  3. Both A and B
  4. Error value

MCQ 2: The type of blocks that resides on the disk are known as:

  1. Logical blocks
  2. Physical blocks
  3. Disk blocks
  4. Buffer blocks

MCQ 3: The error that causes loss of the data of volatile storage, and halts the transaction processing is known as:

  1. System error
  2. Application error
  3. System crash
  4. Transaction error

MCQ 4: An integral part of database that can restore the database to the consistent state of before failure is called:

  1. Recovery scheme
  2. Backup scheme
  3. Restoring scheme
  4. Transaction scheme

MCQ 5: The pass that determines which transactions to undo is known as:

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

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