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Table of Contents

Testimonials from the MDM Alliance Group ........ xiii

Foreword .................................. xxv

Preface ................................... xxix

Acknowledgements .......................... xxxix

Introduction to MDM ......................... xli

PART ONE: THE MDM APPROACH .................. 1
Chapter 1. A Company and its Data .............. 3
1.1. The importance of data and rules repositories ..... 3
1.2. Back to basics ........................... 6
1.2.1. Past differences ....................... 9
1.2.2. The rich data model .................... 11
1.3. Reference/Master data definition .............. 12
1.3.1. Data initialized before use
by transactional systems ..................... 14
1.3.2. Duplicate data ........................ 14
1.3.3. Data exchanged with third parties .......... 19
1.4. Searching for data quality .................. 19
1.4.1. Data quality ......................... 20
1.4.2. The quality of data models ................ 23
1.4.3. The level of maturity of data quality ......... 25
1.5. Different types of data repositories ............. 27