Heuristic Query Optimization MCQs Quiz Online PDF Book Download

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

MCQ on Heuristic Query Optimization Quiz 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: 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