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Introduction to Database System

Introduction to Database System
Entities can be associated with one another in which of the following?

Relationships
Entities
Identifiers
Attributes

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Introduction to Database System
A functional dependency is always an equation.

False
True

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Introduction to Database System
A form defines

both of the listed here
the width of each field
none of the listed here
where data is placed on the screen

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Introduction to Database System
Which of the following is not true of the traditional approach to information processing?

All of these
It is file-oriented
There is common sharing of data among the various applications
Programs are dependent on the files
It is inflexible

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Introduction to Database System
Data security threats include

privacy invasion
fraudulent manipulation of data
all of the listed here
hardware failure

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Introduction to Database System
If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it.

Update
Delete
None of these
Index
Sort Key

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