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Introduction to Database System

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

True
False

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Introduction to Database System
A recursive relationship is a relationship between an entity and ________ .

an archetype entity
a subtype entity
an instance entity
itself

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Introduction to Database System
A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be

None of these
All of these
a compound key consisting of the first name and the last name
the pin code
the last name

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Introduction to Database System
An attribute is a(n):

row of a table.
two dimensional table.
column of a table.
key of a table.

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Introduction to Database System
Primitive operations common to all record management systems include

Print
Sort
All of the listed here
Look-up

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Introduction to Database System
A report generator is used to

data entry
update files
print files on paper
all of the listed here

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