Information Modeling and Relational Databases

Information Modeling and Relational Databases

From Conceptual Analysis to Logical Design

1st Edition - April 2, 2001

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  • Author: Terry Halpin
  • eBook ISBN: 9780080508665

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Information Modeling and Relational Databases provides an introduction to ORM (Object Role Modeling)-and much more. In fact, it's 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.Inside, ORM authority Terry Halpin 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

  • The most in-depth coverage of Object Role Modeling available anywhere-written by a pioneer in the development of ORM.
  • Provides additional coverage of Entity Relationship (ER) modeling and the Unified Modeling Language-all from an ORM perspective.
  • Intended for anyone with a stake in the accuracy and efficacy of databases: systems analysts, information modelers, database designers and administrators, instructors, managers, and programmers.
  • Explains and illustrates required concepts from mathematics and set theory.


Systems analysts, information modelers, database designers and administrators, instructors, managers, and programmers.

Table of Contents

  • Industrial foreword

    Academic foreword


    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 From external to conceptual to relational

    2.4 Development frameworks

    2.5 Summary

    3 Conceptual modeling: first steps

    3.1 Conceptual modeling language criteria

    3.2 ORM's 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; rarity 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 Projection-join check

    4.7 Summary

    5 Mandatory roles

    5.1 Introduction to CSDP step 5

    5.2 Mandatory and optional roles

    5.3 Logical derivation check

    5.4 Reference schemes

    5.5 Case study: a compact disk retailer

    5.6 Summary

    6 Value, set comparison and subtype constraints

    6.1 CSDP step 6: value, set 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; final checks

    7.2 Occurrence frequencies

    7.3 Ring constraints

    7.4 Other constraints

    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 reference and single-valued attributes

    9.3 Multi-valued 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 Relational mapping

    10.1 Implementing a conceptual schema

    10.2 Relational schemas

    10.3 Relational mapping procedure

    10.4 Advanced mapping aspects

    10.5 Summary

    11 Relational languages

    11.1 Relational algebra

    11.2 Relational database systems

    11.3 SQL: historical and structural overview

    11.4 SQL: identifiers and data types

    11.5 SQL: choosing columns, rows and order

    11.6 SQL: joins

    11.7 SQL: in, between, like and null operators

    11.8 SQL: union and simple subqueries

    11.9 SQL: scalar operators and bag functions

    11.10 SQL: grouping

    11.11 SQL: correlated and existential subqueries

    11.12 SQL: data definition

    11.13 SQL: updating table populations

    11.14 SQL: security and meta-data

    11.15 Summary

    12 Schema transformations

    12.1 Schema equivalence and optimization

    12.2 Predicate specialization and generalization

    12.3 Nesting, co-referencing and flattening

    12.4 Other conceptual transformations

    12.5 Conceptual schema optimization

    12.6 Normalization

    12.7 Denormalization and low level optimization

    12.8 Re-engineering

    12.9 Summary

    13 Other modeling aspects and trends

    13.1 Introduction

    13.2 Data warehousing and OLAP

    13.3 Conceptual query languages

    13.4 Schema abstraction mechanisms

    13.5 Process modeling and external design

    13.6 Post-relational databases and other trends

    13.7 Meta-modeling

    13.8 Summary



    ORM glossary

    ER glossary

    UML glossary


Product details

  • No. of pages: 761
  • Language: English
  • Copyright: © Morgan Kaufmann 2001
  • Published: April 2, 2001
  • Imprint: Morgan Kaufmann
  • eBook ISBN: 9780080508665

About the Author

Terry Halpin

Dr. Terry Halpin is a professor at Northface University. He has led database research teams at several companies including Visio Corporation and Microsoft Corporation, where he worked on the conceptual and logical database modeling technology in Microsoft Visio for Enterprise Architects. His publications include over 100 technical papers and five books.

Affiliations and Expertise

Professor, Neumont University, Utah, USA

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