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Recovery and Atomicity MCQs Quiz Online PDF Download eBook

Solve Recovery and Atomicity Multiple Choice Questions (MCQ), recovery and atomicity quiz answers PDF database practice test for online degree programs. Learn database recovery system Multiple Choice Questions and Answers (MCQs), "Recovery and Atomicity Quiz" questions and answers for top computer science schools. Learn algorithms for recovery and isolation exploiting semantics, buffer management, failure classification in dbms, dbms failure classification test prep for associates in computer science.

"The unique identifier field in the update log record in which the data item is written is called" Multiple Choice Questions (MCQ) on recovery and atomicity with choices transaction identifier, new value identifier, data-item identi?er, and data-value identi?er for top computer science schools. Practice recovery and atomicity quiz questions for merit scholarship test and certificate programs for online degrees.

MCQs on Recovery and Atomicity PDF Download eBook

MCQ: The unique identifier field in the update log record in which the 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: 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

D

MCQ: The number of fields in an update log record are

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

B

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

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

C

MCQ: The unique identifier field in the update log record that performs the write operation is called

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

B