Database Systems MCQs - Chapter 17

Query Optimization Multiple Choice Questions (MCQ Quiz) PDF Download - 1

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Database Systems: Query Optimization MCQs Questions PDF Download

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

A) Histogram

B) Gantt chart

C) Pie-chart

D) Bar-graph

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

A) Query optimization

B) Query processing

C) Query management

D) Query cost

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

A) Moderator

B) Change

C) Alterations

D) Differential

MCQ: The operations of Natural-join are

A) Commutative

B) Associative

C) Distributive

D) Conjunctive

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

A) open()

B) next()

C) close()

D) All of the Above

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