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Information Modeling and Relational Databases

Information Modeling and Relational Databases, Second Edition, provides an introduction to ORM (Object-Role Modeling)and much more. In fact, it is the only book to go beyond in… Read more

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Description

Information Modeling and Relational Databases, Second Edition, provides an introduction to ORM (Object-Role Modeling)and much more. In fact, it is the only book to go beyond introductory coverage and provide all of the in-depth instruction you need to transform knowledge from domain experts into a sound database design. This book is intended for anyone with a stake in the accuracy and efficacy of databases: systems analysts, information modelers, database designers and administrators, and programmers.

Terry Halpin, a pioneer in the development of ORM, blends conceptual information with practical instruction that will let you begin using ORM effectively as soon as possible. Supported by examples, exercises, and useful background information, his step-by-step approach teaches you to develop a natural-language-based ORM model, and then, where needed, abstract ER and UML models from it. This book will quickly make you proficient in the modeling technique that is proving vital to the development of accurate and efficient databases that best meet real business objectives.

Key features

  • Presents the most indepth coverage of Object-Role Modeling available anywhere, including a thorough update of the book for ORM2, as well as UML2 and E-R (Entity-Relationship) modeling
  • Includes clear coverage of relational database concepts, and the latest developments in SQL and XML, including a new chapter on the impact of XML on information modeling, exchange and transformation
  • New and improved case studies and exercises are provided for many topics

Readership

Data modelers, database designers, information architects, and practitioners/managers in data management

Table of contents

1 Introduction

1.1 Information Modeling

1.2 Modeling Approaches

1.3 Some Historical Background

1.4 The Relevant Skills

1.5 Summary


2 Information Levels and Frameworks

2.1 Four Information Levels

2.2 The Conceptual Level

2.3 Database Design Example

2.4 Development Frameworks

2.5 Summary


3 Conceptual Modeling: First Steps

3.1 Conceptual Modeling Language Criteria

3.2 Conceptual Schema Design Procedure

3.3 CSDP Step 1: From Examples to Elementary Facts

3.4 CSDP Step 2: Draw Fact Types, and Populate

3.5 CSDP Step 3: Trim Schema; Note Basic Derivations

3.6 Summary


4 Uniqueness Constraints

4.1 CSDP Step 4: Uniqueness Constraints; Arity Check

4.2 Uniqueness Constraints on Unaries and Binaries

4.3 Uniqueness Constraints on Longer Fact Types

4.4 External Uniqueness Constraints

4.5 Key Length Check

4.6 Projections and Joins

4.7 Summary


5 Mandatory Roles

5.1 Introduction to CSDP Step 5

5.2 Mandatory and Optional Roles

5.3 Reference Schemes

5.4 Case Study: A Compact Disc Retailer

5.5 Logical Derivation Check

5.6 Summary


6 Value, Set-Comparison and Subtype Constraints

6.1 CSDP Step 6: Value, Set-Comparison and Subtype constraints

6.2 Basic Set Theory

6.3 Value Constraints and Independent Objects

6.4 Subset, Equality, and Exclusion Constraints

6.5 Subtyping

6.6 Generalization of Object Types

6.7 Summary


7 Other Constraints and Final Checks

7.1 CSDP Step 7: Other Constraints and Final Checks

7.2 Occurrence Frequencies

7.3 Ring Constraints

7.4 Other Constraints and Rules

7.5 Final Checks

7.6 Summary


8 Entity Relationship Modeling

8.1 Overview of ER

8.2 Barker notation

8.3 Information Engineering notation

8.4 IDEF1X

8.5 Mapping from ORM to ER

8.6 Summary


9 Data Modeling in UML

9.1 Introduction

9.2 Object-Orientation

9.3 Attributes

9.4 Associations

9.5 Set-Comparison constraints

9.6 Subtyping

9.7 Other Constraints and Derivation Rules

9.8 Mapping from ORM to UML

9.9 Summary


10 Advanced Modeling Issues

10.1 Join Constraints

10.2 Deontic Rules

10.3 Temporality

10.4 Collection Types

10.5 Nominalization and Objectification

10.6 Open/Closed World Semantics

10.7 Higher-Order Types

10.8 Summary


11 Relational Mapping

11.1 Implementing a Conceptual Schema

11.2 Relational Schemas

11.3 Relational Mapping Procedure

11.4 Advanced Mapping Aspects

11.5 Summary


12 Data Manipulation with Relational Languages

12.1 Relational Algebra

12.2 Relational Database Systems

12.3 SQL: Historical and Structural Overview

12.4 SQL: Identifiers and Data Types

12.5 SQL: Choosing Columns, Rows, and Order

12.6 SQL: Joins

12.7 SQL: In, Between, Like, and Null Operators

12.8 SQL: Union and Simple Subqueries

12.9 SQL: Scalar Operators and Bag Functions

12.10 SQL: Grouping

12.11 SQL: Correlated and Existential Subqueries

12.12 SQL: Recursive Queries

12.13 SQL: Updating Table Populations

12.14 SQL: Other Useful Constructs

12.15 Summary


13 Using Other Database Objects

13.1 SQL: Data Definition

13.2 SQL: User Defined Functions

13.3 SQL: Views and Computed Columns

13.4 SQL: Triggers

13.5 SQL: Stored Procedures

13.6 SQL: Indexes

13.7 Other Objects

13.8 Exploiting 3GLs

13.9 Exploiting XML

13.10 Security and Meta-Data

13.11 Concurrency

13.12 Summary


14 Schema Transformations

14.1 Schema Equivalence and Optimization

14.2 Predicate Specialization and Generalization

14.3 Nesting, Coreferencing, and Flattening

14.4 Other Transformations

14.5 Conceptual Schema Optimization

14.6 Normalization

14.7 Denormalization and Low Level Optimization

14.8 Reengineering

14.9 Data Migration and Query Transformation

14.10 Summary


15 Process and State Modeling

15.1 Introduction

15.2 Processes and Workflow

15.3 Foundations for Process Theory

15.4 State Models versus Process Models

15.5 Modeling Information Dynamics in UML

15.6 Standard Process Patterns

15.7 Business Process Standards Initiatives

15.8 Integration of Process Models and Information Models

15.9 Summary


16 Other Modeling Aspects and Trends

16.1 Introduction

16.2 Data Warehousing and OLAP

16.3 Conceptual Query Languages

16.4 Schema Abstraction Mechanisms

16.5 Further Design Aspects

16.6 Ontologies and the Semantic Web

16.7 Post-Relational Databases

16.8 Metamodeling

16.9 Summary

ORM glossary (ORM 1 and ORM 2)
ER glossary
UML glossary
Bibliography
Index

Review quotes

"This book is an excellent introduction to both information modeling in ORM and relational databases. The book is very clearly written in a step-by-step manner, and contains an abundance of well-chosen examples illuminating practice and theory in information modeling. I strongly recommend this book to anyone interested in conceptual modeling and databases."—Dr. Herman Balsters, Director of the Faculty of Industrial Engineering, University of Groningen, The Netherlands

Product details

About the authors

TH

Terry Halpin

Dr. Terry Halpin, is a Principal Scientist at LogicBlox, headquartered in Atlanta, USA, and a Professor at INTI International University, Malaysia. After many years in academia, he worked on data modeling technology at Asymetrix Corporation, InfoModelers Inc., Visio Corporation, and Microsoft Corporation, before returning to academia as Distinguished Professor at Neumont University (Utah, USA), and then once again returning to industry at LogicBlox and also taking a professorship at INTI. His research focuses on conceptual modeling and conceptual query technology. Dr. Halpin is the recipient of the DAMA International Academic Achievement Award and the IFIP Outstanding Service Award. He is a member of IFIP WG 8.1 (Design and Evaluation of Information Systems), is an editor or reviewer for several academic journals and international program committees, has co-chaired several international workshops on modeling, and has presented at dozens of international conferences in both industry and academia. For many years, his research has focused on conceptual modeling and conceptual query technology for information systems, using a business rules approach. His doctoral thesis formalized Object-Role Modeling (ORM/NIAM), and his publications include over 160 technical papers, and six books, including Information Modeling and Relational Databases, Second Edition, Elsevier/Morgan Kaufmann.
Affiliations and expertise
Professor of Computer Science, INTI International University, Malaysia

TM

Tony Morgan

Dr. Tony Morgan is a British computer scientist, data modeling consultant, and Professor in Computer Science at INTI International University, Malaysia. Dr. Morgan obtained his BA in Earth Sciences from The Open University, his BSc in Computer Systems Engineering from Coventry University, where in 1984 he also obtained his MSc in Control Engineering. In 1988 he obtained his PhD in Computer Science from University of Cambridge with a thesis on automated decision-making using qualitative reasoning. Dr. Morgan has done extensive work in industry with companies such as Unisys, EDS, and other corporations across transport, aerospace, government, and financial services, including the UK’s National Computing Centre in Manchester. Dr. Morgan has published several articles on AI and simulation. In 2003 he was appointed Professor of Computer Science and Vice President of Enterprise Informatics at Neumont University, Utah, USA. His research interests focus on business rules and business processes and the rapid development of high-quality information systems. Along with Dr. Halpin, he is the co-author of Information Modeling and Relational Databases, Second Edition, Elsevier/Morgan Kaufmann.
Affiliations and expertise
Professor in Computer Science, INTI International University, Malaysia

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