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Database Systems MCQ Questions

Database Systems MCQs - Chapter

Query Optimization Multiple Choice Questions and Answers PDF p. 1

Practice Query Optimization multiple choice questions and answers, CS quiz answers PDF to solve dbms test 1 for online certification. Solve heuristic query optimization MCQs, Query Optimization Trivia Questions and answers for admission and merit scholarships test. "Query Optimization MCQ" PDF book: heuristic query optimization, query optimization techniques, heuristic optimization in dbms, transformation of relational expressions, pipelining and materialization career test 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 query optimization with choices gantt chart, histogram, pie-chart, and bar-graph for top online computer science programs. Practice heuristic query optimization quiz questions for jobs' assessment test and online courses for jobs' assessment test and online courses for BSc computer science.

MCQs on Query Optimization Quiz

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.

The process of finding a good strategy for processing a query is called

Query optimization
Query processing
Query management
Query cost

3.

The modification to a relation or expression is referred to as its

Moderator
Change
Alterations
Differential

4.

The operations of Natural-join are

Commutative
Associative
Distributive
Conjunctive

5.

The iterator operation of a demand driven pipeline provides the function of

open()
next()
close()
All of the Above