Data Modelling and Process Modelling using the most popular Methods

Acknowledgements1 Introduction to modeling 1.1 What Does modeling Mean? 1.2 Why are Data modeling and Process modeling Different from Traditional 'Systems' Analysis? 1.3 What is its Purpose? 1.4 Where Can it be Used in a Systems Development Cycle? 1.5 How are the Results of modeling Used? 1.6 Summary2 Data modeling 2.1 Introduction 2.2 Main Concepts 2.2.1 Entities 2.2.2 Attributes 2.2.3 Relationships 2.3 Diagrammatic Techniques 2.3.1 Degree of Relationships 2.3.2 Optionality 2.3.3 Exclusivity 2.3.4 Entities Identified by Relationships 2.3.5 Entity Sub-Types 2.3.6 Other Useful Conventions 2.4 Other Deliverables of Data modeling 2.5 An Example Model 2.6 Fundamental Rules of Data modeling 2.7 Summary3 How to do Data modeling 3.1 Introduction 3.1.1 Real World Abstractions and Real World Occurrences 3.1.2 Design Abstractions and Occurrences 3.2 modeling 3.2.1 Using Forms and Record Layouts 3.2.2 Using Conceptual Descriptions 3.2.3 Using Occurrences 3.2.4 Using Design Occurrences 3.2.5 Summary of Each Method 3.3 Merging the Models 3.4 Refining the Data Model 3.4.1 Remove Synonyms 3.4.2 Check for Attribute Duplication 3.4.3 Generalise Entities 3.4.4 Generalise Relationships 3.4.5 Remove Redundancy 3.4.6 Resolve Many-to-Many Relationships 3.4.7 Investigate One-to-One Relationships 3.4.8 Remove 'Code Only' Entities 3.4.9 Verify Degree 3.5 Summary4 Process modeling 4.1 Introduction 4.2 Main Concepts of Process modeling Activity Event Sources and Sinks ('External Agents') Data Flow Data Store Summary 4.3 Diagrammatic Representation 4.3.1 Activity Decomposition Diagram 4.3.2 Data Flow Diagrams 4.3.3 Business Dynamics Diagrams 4.4 Other Deliverables of Process modeling 4.5 Summary5 How to do Process modeling 5.1 Introduction Real World Abstractions and Real World Occurrences Design Abstractions 5.2 Analysis 5.2.1 Using Real World Abstractions 5.2.2 Using Design Abstractions 5.2.3 Using 'Actions' or Activity Occurrences 5.2.4 Summary of Each Method 5.3 Refining the Results 5.4 Verification Methods 5.4.1 Inner Consistency Checks 5.4.2 Outer Consistency Checks 5.5 Summary6 Improving a System Using Analysis Deliverables 6.1 Introduction 6.2 Problems, Causes and Effects Problems Cause Effect 6.3 Events, Obligations and Objectives Objectives Obligations Events 6.4 Summary7 Elementary Activities 7.1 Introduction 7.2 Definition and Purpose Definition of Elementary Activities 7.3 Structured Text and Access Paths 7.4 Common Procedures, Messages and Embedded Elementary Activities Common Procedures Messages Embedded Elementary Activities 7.5 Examples 7.6 Updating the Data Model from the Access Paths and Structured English (Consistency Checking) 7.7 Other Useful Detailed Deliverables of an Elementary Activity Response Required User/Activity Responsibility Usage Figures 7.8 Summary8 Summary 8.1 Introduction 8.2 Packaging the Results 8.3 Summary of ResultsIndex