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INTRODUCTION TO DATABASE SYSTEM

Introduction to Database System
Which type of entity represents an actual occurrence of an associated generalized entity?

Subtype entity
Supertype entity
Instance entity
Archetype entity

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Introduction to Database System
A recursive relationship is a relationship between an entity and ________ .

an instance entity
an archetype entity
a subtype entity
itself

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Introduction to Database System
Which of the following indicates the minimum number of entities that must be involved in a relationship?

Maximum cardinality
Minimum cardinality
ERD
Greater Entity Count (GEC)

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Introduction to Database System
Which of the following refers to something that can be identified in the user's work environment, something that the users want to track?

Relationship
Entity
Identifier
Attribute

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Introduction to Database System
In which of the following is a single-entity instance of one type related to many entity instances of another type?

Composite Relationship
One-to-Many Relationship
One-to-One Relationship
Many-to-Many Relationship

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