Database Management Systems

2001/2/5


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目錄

Database Management Systems

Database System Design

The Need for Design

Building the Right System: Feasibility

Economic Feasibility: NPV

Designing Systems

Design Stages

Unified Modeling Language (UML)

Definitions

Associations

Class Diagram

Sample Association Rules (Multiplicity)

N-ary Associations

N-ary Association Example

Association Details: Aggregation

Association Details: Composition

Association Details: Generalization

Inheritance

Multiple Parents

Association Details: Reflexive Relationship

Defining Packages for High-Level Views

PetStore Overview Class Diagram

Pet Store Class Diagram: Access

Data Types (Domain)

Computed Attributes

Event Examples

Event Triggers

Design Importance: Large Projects

Large Projects

CASE Tools

Rolling Thunder: Top-Level

Rolling Thunder: Sales

Rolling Thunder: Bicycle

Rolling Thunder: Assembly

Rolling Thunder: Purchasing

Rolling Thunder: Location

Rolling Thunder: Employee

Rolling Thunder: Combined

作者:Samuel K.T.Lee

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