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Introduction to Database System

Introduction to Database System
Relationship classes are associations between entity classes.

True
False

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Introduction to Database System
A network schema

permits many-to-many relation¬ships
All of the listed here
restricts the structure to a one-to-many relationship
stores data in tables

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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.

Database
Fields
Records
File structure

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Introduction to Database System
Which of the following is not a logical data-base structure?

network
tree
relational
chain

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Introduction to Database System
An identifier typically uses more than one attribute.

False
True

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Introduction to Database System
The database administration function includes

All of these
computer operations management
None of these
database access planning
application programming

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