TAILIEUCHUNG - Data Warehousing Architecture and implement

This book is intended for Information Technology (IT) professionals who have been hearing about or have been tasked to evaluate, learn or implement data warehousing technologies. Far from being just a passing fad, data warehousing technology has grown much in scale and reputation in the past few years, as evidenced by the increasing number of products, vendors, organizations, and yes, even books, devoted to the subject. Enterprises that have successfully implemented data warehouses find it strategic and often wonder how they ever managed to survive without it in the past | Table of Contents Preface I Introduction I Introduction 1. The Enterprise IT Architecture The Past Evolution of Enterprise Architectures The Present The IT Professional s Responsibility Business Perspective Technology Perspective Architecture Migration Scenarios Migration Strategy How Do We Move Forward In Summary 2. Data Warehouse Concepts Gradual Changes in Computing Focus The Data Warehouse Defined The Dynamic Ad Hoc Report The Purposes of a Data Warehouse A Word About Data Marts A Word About Operational Data Stores Data Warehouse Cost-Benefit Analysis Return on Investment In Summary II People II People 3. The Project Sponsor How Will a Data Warehouse Affect our Decision-Making Processes How Does a Data Warehouse Improve My Financial Processes Marketing Operations When Is a Data Warehouse Project Justified What Expenses Are Involved What Are the Risks Risk-Mitigating Approaches Is My Organization Ready for a Data Warehouse How Do I Measure the Results In Summary 4. The CIO How Do I Support the Data Warehouse How Will My Data Warehouse Evolve Who Should Be Involved in a Data Warehouse Project What Is the Team Structure Like What New Skills Will My People Need How Does Data Warehousing Fit into My IT Architecture How Many Vendors Do I Need to Talk to What Should I Look for in a Data Warehouse Vendor How Does Data Warehousing Affect My Existing Systems Data Warehousing and Its Impact on Other Enterprise Initiatives When Is a Data Warehouse Not Appropriate How Do I Manage or Control a Data Warehouse Initiative In Summary 5. The Project Manager How Do I Roll Out a Data Warehouse Initiative How Important Is the Hardware Platform What Technologies Are Involved Do I Still Use Relational Databases for Data Warehousing How Long Does a Data Warehousing Project Last How Is a Data Warehouse Different from Other IT Projects What Are the Critical Success Factors of a Data Warehousing Project In Summary III Process III Process 6. Warehousing Strategy Strategy Components .

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