Data Storage and Querying MCQs Quiz Online PDF Download

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MCQs on Data Storage and Querying Quiz PDF Download

MCQ: Functional components of a database system can be broadly divided into

  1. 2 components
  2. 3 components
  3. 4 components
  4. 5 components


MCQ: Translation of various DML statements into low-level file-system commands, is done by

  1. Query processor
  2. Storage manager
  3. Query manager
  4. Storage processor


MCQ: Component of storage manager, which ensures that database remains in a consistent state despite of system failures, is known as

  1. File manager
  2. Authorization and integrity manager
  3. Buffer manager
  4. Transaction manager


MCQ: Data is moved between disk storage and main memory as needed, because of the

  1. Efficiency
  2. Storage space
  3. Processing speed
  4. Normalization


MCQ: Component that provides interface between low-level data stored and application programs and queries submitted to system, is known as

  1. Storage manager
  2. Storage processor
  3. Query processor
  4. Query manager