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Introduction to Database System

Introduction to Database System
A ternary relationship is so called because in contains two entities and one association between them.

True
False

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Introduction to Database System
Periodically adding, changing and deleting file records is called file

restructuring
upgrading
Updating
renewing

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Introduction to Database System
If the record management system allows you to edit values before they are recorded on disk, you can

change the width of a field
change the name of a field
All of the listed here
correct spelling changes before they are recorded

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Introduction to Database System
Relationship classes are associations between entity classes.

False
True

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Introduction to Database System
Which of the following is not an advantage of the data-base approach?

program/data independence
All of these
ability to associate related data
elimination of the data redundancy
increased security

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Introduction to Database System
If a calculation is embedded in a form

the result of the calculations are printed in report
the calculations are stored with the form
all of the listed here
the result of the calculations are stored with the form

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