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Heuristic Query Optimization MCQ (Multiple Choice Questions) PDF Download
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The MCQ: Incremental view maintenance is needed to efficiently update; "Heuristic Query Optimization" App Download (Free) with answers: Materialized views; Rational views; Relational views; Query views; to learn DBA certification courses. Practice Heuristic Query Optimization Quiz Questions, download Apple e-Book (Free Sample) for online computer science and engineering.
Heuristic Query Optimization MCQs: Questions and Answers PDF Download
Most database systems to store the number of values for an attribute within several ranges, uses
- Histogram
- Gantt chart
- Pie-chart
- Bar-graph
Incremental view maintenance is needed to efficiently update
- Materialized views
- Rational views
- Relational views
- Query views
Advanced optimization techniques includes optimization of updates, multiquery optimization and
- Top-K optimization
- Join minimization
- Parametric query optimization
- All of the Above
Histograms can be computed using
- Population
- Average of data
- Sampling
- Hard data
Materialized views are used to speed up
- Query optimization
- Query processing
- Query management
- Query cost
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