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Table of Contents vii

4.4.3. The MDM as a springboard
for transformation of IS ...................... 81
4.5. Summary of the return on investment of MDM .... 83

PART TWO: MDM FROM A BUSINESS PERSPECTIVE........ 87

Chapter 5. MDM Maturity Levels and
Model-driven MDM .......................... 89
5.1. Virtual MDM ........................... 89
5.2. Static MDM ............................ 92
5.3. Semantic MDM .......................... 95
5.3.1. Improved administration by business users .... 97
5.3.2. A greater reliability in the data repository ..... 97
5.3.3. Preparation for MDM integration
with the rest of a system ..................... 98
5.4. The MDM maturity model .................. 100
5.5. A Model-driven MDM system ................ 103
5.5.1. Variants ............................ 103
5.5.2. Hiding join tables ...................... 104

Chapter 6. Data Governance Functions ........... 109

6.1. Brief overview .......................... 109
6.2. Ergonomics ............................ 111
6.3. Version management ...................... 112
6.4. The initialization and update of data
by use context ............................. 114
6.4.1. The affiliation of contexts ................ 115
6.4.2. The automatic detection of shared data ....... 117
6.5. Time management ....................... 118
6.5.1. Data history tracking ................... 119
6.5.2. Business transaction .................... 120
6.5.3. Validity period ........................ 121
6.6. Data validation rules ...................... 122
6.6.1. Facets ............................. 123
6.6.2. Integrity constraints .................... 124
6.6.3. Business rules ........................ 126
6.7. The data approval process .................. 128
6.8. Access rights management .................. 129
6.9. Data hierarchy management ................. 130
6.10. Conclusion ............................ 131