Recovery and Atomicity MCQs Test Online PDF Book Download

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Learn database recovery system practice test MCQs: log record type that describes a single database write is known as, for free online courses with options transaction log record, write log record, read log record, update log record for online computer programming degree. Free skills assessment test is for e-learning online recovery and atomicity quiz questions for competitive assessment in computer science major.

MCQ on Recovery and Atomicity Quiz Book Download

MCQ: Unique identifier field in update log record in which data item is written is called

  1. Transaction identifier
  2. New value identifier
  3. Data-item identi?er
  4. Data-value identi?er

C

MCQ: 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

D

MCQ: Number of fields in an update log record are

  1. 3
  2. 4
  3. 5
  4. 6

B

MCQ: Field of update log record that defines unique identi?er of transaction is known as

  1. Data-item identi?er
  2. Old value identifier
  3. Transaction identifier
  4. New value identifier

C

MCQ: Unique identifier field in update log record that performs write operation is called

  1. Data-item identi?er
  2. Transaction identifier
  3. Data-value identi?er
  4. New value identifier

B