Database Systems Certification MCQs – Practice Test 27 (Chapter 4)

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Database Design and ER Model Quiz – Practice Test 27 PDF Download

MCQ 131: The UML diagram that depicts the software system component level and its interconnections, is said to be:

Implementation diagram
Activity diagram
Use case diagram
Class diagram

MCQ 132: The implementation data model is basically the:

Entity-relationship model
Relational data model
Structural model
Object based relation model

MCQ 133: An E-R diagram can graphically represent the:

Physical structure
Logical structure
View structure
Virtual structure

MCQ 134: Systems having large numbers of transactions for processing in a batch style, focus on:

High throughput
Low throughput
Low response time
Low queuing

MCQ 135: The attributes that cannot be divided into subparts, are known as:

Simple attributes
Composite attributes
Compound attributes
Basic attributes

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