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Introduction to Database System

Introduction to Database System
An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity.

True
False

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Introduction to Database System
One data dictionary software package is called

None of these
DB/DC dictionary
any of the above
TOTAL
ACCESS

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Introduction to Database System
A relation is considered a:

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

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Introduction to Database System
Data items grouped together for storage purposes are called a

string
title
list
None of these
record

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Introduction to Database System
A large computer information system maintains many different computer files. Which amongst them is called a perpetual file?

Specialized file
Update file
Master file
Log file

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Introduction to Database System
An on-line commercial site such as Amazon.com is an example of a(n) ________ .

single-user database application
e-commerce database application
multiuser database application
data mining database application

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