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Free Heuristic Query Optimization Study App Download: "Most database systems to store the number of values for an attribute within several ranges, uses"; MCQ with answers: histogram, gantt chart, pie-chart, and bar-graph. Practice Heuristic Query Optimization Quiz Questions, download Google e-Book (Free Chapter) for DBMS distance learning.

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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