Database Systems MCQs (Computer Science) From Textbook

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Database Systems MCQs – Practice Test 1 (Chapter 6)

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The MCQ: Log records contain; "Database Recovery System" App Download [Free] with answers: new value, old value, and error value to learn online certification courses. Solve Ordered Indices Quiz Questions, download Google e-Book (Free Chapter) for computer software engineer.

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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