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INTRODUCTION TO DATABASE SYSTEM

Introduction to Database System
A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance.

True
False

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Introduction to Database System
An attribute describes the entity's characteristics.

False
True

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Introduction to Database System
The degree of a relationship refers to the number of entity classes in the relationship.

True
False

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

False
True

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Introduction to Database System
Composite identifiers consist of two or more attributes.

False
True

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