Query Optimization Multiple Choice Questions and Answers 1 PDF Book Download

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Learn query optimization quiz with multiple choice questions: most database systems to store number of values for an attribute within several ranges, uses, with choices gantt chart, histogram, pie-chart, and bar-graph for online bachelor's degree computer science. Practice jobs' assessment test for online learning heuristic query optimization quiz questions with dbms MCQs for big data certification.

MCQs on Query Optimization Test 1 PDF Book Download

MCQ: Most database systems to store number of values for an attribute within several ranges, uses

  1. Histogram
  2. Gantt chart
  3. Pie-chart
  4. Bar-graph

A

MCQ: Process of finding a good strategy for processing a query is called

  1. Query optimization
  2. Query processing
  3. Query management
  4. Query cost

A

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

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

D

MCQ: Operations of Natural-join are

  1. Commutative
  2. Associative
  3. Distributive
  4. Conjunctive

B

MCQ: Iterator operation of a demand driven pipeline provides function of

  1. open()
  2. next()
  3. close()
  4. All of the Above

D