Heuristic Query Optimization MCQs Quiz Online PDF Download

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MCQs on Heuristic Query Optimization Quiz PDF 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