Recovery and Atomicity MCQs Quiz Online PDF Download

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Study bachelors and masters in data science degree MCQs: unique identifier field in update log record in which data item is written is called, for online courses with choices transaction identifier, new value identifier , data-item identi?er, data-value identi?er with technical interview questions for online assessment of fresh and experienced graduates. Free skills assessment test is for online learn recovery and atomicity quiz questions with MCQs, exam preparation questions and answers.

MCQs on Recovery and Atomicity Quiz PDF 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


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


MCQ: Number of fields in an update log record are

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


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


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