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The MCQ: Most database systems to store the number of values for an attribute within several ranges, uses; "Heuristic Query Optimization" App Download [Free] with answers: histogram, gantt chart, pie-chart, and bar-graph to learn certification courses online. Practice Heuristic Query Optimization Quiz Questions, download Google eBook (Free Chapter) for best online schools for computer science.

Heuristic Query Optimization MCQs PDF Download – Prep Test

MCQ: 1

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
MCQ: 2

Incremental view maintenance is needed to efficiently update

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

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
MCQ: 4

Histograms can be computed using

  1. Population
  2. Average of data
  3. Sampling
  4. Hard data
MCQ: 5

Materialized views are used to speed up

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

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