Heuristic Query Optimization MCQs & Quiz Online PDF Download

Heuristic query optimization MCQs, heuristic query optimization quiz answers pdf to study online data science degree course. Learn query optimization Multiple Choice Questions and Answers (MCQs), "heuristic query optimization" quiz questions and answers for top online computer science programs. Learn heuristic optimization in dbms, heuristic query optimization, transformation of relational expressions test prep 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 (MCQ) on heuristic query optimization with choices histogram, gantt chart, pie-chart, and bar-graph for top online computer science programs. Practice merit scholarships assessment test, online learning heuristic query optimization quiz questions for competitive exams in computer science major for BSc computer science.

MCQs on Heuristic Query Optimization PDF Online 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: Incremental view maintenance is needed to efficiently update

  1. Materialized views
  2. Rational views
  3. Relational views
  4. Query views

A

MCQ: Advanced optimization techniques includes optimization of updates, multiquery optimization and

  1. Top-K optimization
  2. Join minimization
  3. Parametric query optimization
  4. All of the Above

D

MCQ: Histograms can be computed using

  1. Population
  2. Average of data
  3. Sampling
  4. Hard data

C

MCQ: Materialized views are used to speed up

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

B