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Introduction to Database System

Introduction to Database System
A relation in this form is free of all modification anomalies.

First normal form
Second normal form
Domain/key normal form
Third normal form

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Introduction to Database System
A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file.

Records
File structure
Database
Fields

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Introduction to Database System
An entity class is a collection of entities and is described by the structure of the entities in that class.

False
True

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Introduction to Database System
The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain?

Bits
Characters
Data field
None of the listed here

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Introduction to Database System
What software packages are commonly used for businesses that have to track extensive lists of clients and inventory?

Special purpose packages
Single function application packages
Custom made programs
Data management packages
None of these

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Introduction to Database System
Sophisticated report generators can

print row-oriented reports
perform arithmetic operations
selectively retrieve and print portions of a list
All of the listed here

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