Database Recovery System Multiple Choice Questions and Answers 1 pdf eBooks Download

Learn database recovery system multiple choice questions (MCQs), db test 1 online for exams. Practice aries algorithm in dbms MCQs questions and answers on aries algorithm in dbms, types of database failure, failure classification in dbms, dbms failure classification, algorithms for recovery and isolation exploiting semantics with answers. Free database recovery system quiz, online study guide has helping answer key with choices as new value, old value, both a and b and error value of multiple choice questions (MCQ) as log records contain to test learning skills for viva exam preparation and job's interview questions. Study to learn aries algorithm in dbms quiz questions to practice online MCQs for competitive exam preparation test.

MCQ on Database Recovery System Quiz pdf Download Test 1

MCQ. Log records contain

  1. Old value
  2. New value
  3. Both A and B
  4. Error value


MCQ. Type of blocks that resides on disk are known as

  1. Logical blocks
  2. Physical blocks
  3. Disk blocks
  4. Buffer blocks


MCQ. Error that causes loss of data of volatile storage, and halts transaction processing is known as

  1. System error
  2. Application error
  3. System crash
  4. Transaction error


MCQ. An integral part of database that can restore database to consistent state of before failure is called

  1. Recovery scheme
  2. Backup scheme
  3. Restoring scheme
  4. Transaction scheme


MCQ. Pass that determines which transactions to undo is known as

  1. Redo pass
  2. Analysis pass
  3. Undo pass
  4. Logical pass