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Introduction to Database System

Introduction to Database System
A _____ Contains fields of data about one entity.

File
None of these
Document
Fields
Record

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Introduction to Database System
In any hierarchy of data organization, the smallest entity to be processed as a single unit is called

None of these
database
data field
data file
data record

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Introduction to Database System
A relation is considered a:

two-dimensional table.
Column.
one-dimensional table.
three-dimensional table.

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Introduction to Database System
In the DBM approach, application programs perform the

processing functions
all of the listed here
access control
storage function

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Introduction to Database System
An audit trail

is used to make back-up copies
is the recorded history of operations performed on a file
All of the listed here
can be used to restore lost information

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

True
False

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