Database Systems MCQs – Practice Test 1 (Chapter 17)

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Query Optimization MCQs – Practice Test 1 PDF Download

MCQ 1: Most database systems to store the number of values for an attribute within several ranges, uses:

Histogram
Gantt chart
Pie-chart
Bar-graph

MCQ 2: The process of finding a good strategy for processing a query is called:

Query optimization
Query processing
Query management
Query cost

MCQ 3: The modification to a relation or expression is referred to as its:

Moderator
Change
Alterations
Differential

MCQ 4: The operations of Natural-join are:

Commutative
Associative
Distributive
Conjunctive

MCQ 5: The iterator operation of a demand driven pipeline provides the function of:

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

Database Systems MCQs App & e-Book – Query Optimization Study Guide

Database System Architectures MCQs

SQL Interview Questions and Answers MCQs

Database Transactions MCQs

Query Processing MCQs

Advanced SQL MCQs

Formal Relational Query Languages MCQs

Intermediate SQL MCQs

Concurrency Control MCQs

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