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Introduction to Database System

Introduction to Database System
Entities use identifiers while tables use keys.

False
True

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

relational
tree
network
chain

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Introduction to Database System
Relations are categorized into normal forms according to the referential integrity constraints that they have.

False
True

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Introduction to Database System
If you want your database to include methods, you should use a _____ database.

Distributed
Hierarchical
Network
Object-Oriented

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

list
string
record
None of these
title

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Introduction to Database System
A _____ means that one record in a particular record type is related to only one record of another record type.

None of these
One-to-many relationship
Many-to-one relationship
One-to-one relationship
Many-to-many relationship

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