Query Optimization Multiple Choice Questions and Answers PDF Download

Query optimization Multiple Choice Questions and Answers (MCQs), query optimization quiz answers pdf 1, dbms tests to study online certification courses. Learn heuristic query optimization MCQs, "query optimization" quiz questions and answers for admission and merit scholarships test. Learn heuristic query optimization, query optimization techniques, heuristic optimization in dbms, transformation of relational expressions, pipelining and materialization career test for master's degree in computer science.

"Most database systems to store the number of values for an attribute within several ranges, uses" Multiple Choice Questions (MCQs) on query optimization with choices gantt chart, histogram, pie-chart, and bar-graph for top online computer science programs. Practice jobs' assessment test, online learning heuristic query optimization quiz questions for BSc computer science.

MCQs on Query Optimization Quiz 1 PDF Download

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

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

A

MCQ: The 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: The modification to a relation or expression is referred to as its

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

D

MCQ: The operations of Natural-join are

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

B

MCQ: The iterator operation of a demand driven pipeline provides the function of

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

D