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Object Oriented Data Modeling

Object Oriented Data Modeling
Multiplicity is the same as what concept for an ERD?

Attribute
Cardinality
Entity
Relationship

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Object Oriented Data Modeling
The reasons for overriding include extension, restriction, and optimization.

True
False

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Object Oriented Data Modeling
The benefits of object-oriented modeling are which of the following?

Reusability of analysis, design, and programming results
Improved communication between users, analysts, etc.
All of these
The ability to tackle more challenging problems

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Object Oriented Data Modeling
A constructor operation does which of the following?

Creates a new instance of a class
Updates an existing instance of a class
Deletes and existing instance of a class
All of these

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Object Oriented Data Modeling
A method defines the form or protocol of the operation, but not its implementation.

False
True

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Object Oriented Data Modeling
Which of the following applies to a class rather than an object?

Update
Constructor
Query
Scope

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