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Heuristic Query Optimization MCQ with Answers

Heuristic Query Optimization Multiple Choice Questions (MCQ) to practice heuristic query optimization quiz answers PDF, heuristic query optimization worksheets for online degrees. Solve query optimization Multiple Choice Questions and Answers (MCQs), "Heuristic Query Optimization Quiz Questions" and answers for top online computer science programs. Learn transformation of relational expressions, heuristic optimization in dbms, query optimization techniques, heuristic query optimization test prep for master's degree in computer science.

"Most database systems to store the number of values for an attribute within several ranges, uses" Multiple Choice Questions (MCQ) on heuristic query optimization with choices histogram, gantt chart, pie-chart, and bar-graph for top online computer science programs. Solve heuristic query optimization quiz questions for merit scholarship test and certificate programs for BSc computer science.

MCQs on Heuristic Query Optimization

1.

Most database systems to store the number of values for an attribute within several ranges, uses

Histogram
Gantt chart
Pie-chart
Bar-graph

2.

Incremental view maintenance is needed to efficiently update

Materialized views
Rational views
Relational views
Query views

3.

Advanced optimization techniques includes optimization of updates, multiquery optimization and

Top-K optimization
Join minimization
Parametric query optimization
All of the Above

4.

Histograms can be computed using

Population
Average of data
Sampling
Hard data

5.

Materialized views are used to speed up

Query optimization
Query processing
Query management
Query cost