DBMS Objective Questions and Answers FAQ PDF Book Download

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FAQ: DBMS Objective Questions and Answers PDF Book Download

MCQ: Transaction abort processes are managed by recovery schemes by maintaining a

  1. Log
  2. Process
  3. File directory
  4. Command


MCQ: If a transaction gets aborted, responsibility of managing it is of

  1. Evaluation scheme
  2. Recovery scheme
  3. Control scheme
  4. Execution scheme


MCQ: Database system by ensuring atomicity can trace values of any data on which a transaction performs

  1. Read operation
  2. Write operation
  3. Query operation
  4. Retrieval operation


MCQ: Structure in which metadata about relations are stored is known as

  1. Data Dictionary
  2. Functional dictionary
  3. Sequence dictionary
  4. Storage dictionary


MCQ: Structure in which relational schemas are stored is said to be

  1. Sequence dictionary
  2. Storage dictionary
  3. Data Dictionary
  4. Functional dictionary