Recovery and Atomicity MCQs & Quiz Online PDF eBook Download

Recovery and atomicity multiple choice questions (MCQs), recovery and atomicity quiz answers to learn databases for online computer science degree programs. . Database recovery system 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, recovery and atomicity test prep for associates in computer science.

Learn database recovery system MCQ: unique identifier field in update log record in which data item is written is called, with choices transaction identifier, new value identifier, data-item identi?er, and data-value identi?er for top computer science schools. Practice merit scholarships assessment test, online learning recovery and atomicity quiz questions for competitive exams in computer science major for online degrees.

MCQs on Recovery and Atomicity PDF eBook 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