Heuristic Optimization in DBMS MCQs Quiz Online PDF Download

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MCQs on Heuristic Optimization in DBMS Quiz PDF Download

MCQ: Modification to a relation or expression is referred to as its

  1. Moderator
  2. Change
  3. Alterations
  4. Differential


MCQ: Materialized views constitute

  1. Linear data
  2. Uniform data
  3. Unique data
  4. Redundant data


MCQ: An option in view maintenance, in which only affected part of view is modified is known as

  1. Immediate view maintenance
  2. Deferred view maintenance
  3. Data-view maintenance
  4. Incremental view maintenance


MCQ: Keeping a materialized view up-to-date with respect to underlying data is known as

  1. Deferred maintenance
  2. Immediate maintenance
  3. View maintenance
  4. Data maintenance


MCQ: Modern database systems provide more direct support for

  1. Incremental view maintenance
  2. Data-view maintenance
  3. Deferred view maintenance
  4. Immediate view maintenance