Heuristic Optimization in DBMS MCQs Quiz Online PDF Book Download

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Learn query optimization test MCQs: modification to a relation or expression is referred to as its, with choices moderator, change, alterations, and differential for information technology programs online. Practice assessment test for scholarships, online learning heuristic optimization in dbms quiz questions for competitive assessment in computer science major for data science certification.

MCQ on Heuristic Optimization in DBMS Quiz Book Download

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

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

D

MCQ: Materialized views constitute

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

D

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

D

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

C

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

A