Data Warehousing Fundamentals for IT Professionals

Zusatztext ".......clearly the author is a long-time practitioner and expert in this area. And if this were not enough! the language is clear and precise! and the associated content is easily internalised." (BCS! August 2010) Informationen zum Autor PAULRAJ PONNIAH, PHD, with over thirty years of experience as an IT consultant, has worked with such organizations as Texaco, Sotheby's, Blue Cross/Blue Shield, NA Philips, New York-Presbyterian Hospital, Panasonic, and Bantam Doubleday Dell. He specializes in the design and implementation of data warehouse and database systems. Dr. Ponniah has published three successful books and, as Adjunct Professor, continues to teach college courses in data warehousing and database design. Klappentext Cutting-edge content and guidance from a data warehousing expert--now expanded to reflect field trendsData warehousing has revolutionized the way businesses in a wide variety of industries perform analysis and make strategic decisions. Since the first edition of Data Warehousing Fundamentals, numerous enterprises have implemented data warehouse systems and reaped enormous benefits. Many more are in the process of doing so. Now, this new, revised edition covers the essential fundamentals of data warehousing and business intelligence as well as significant recent trends in the field.The author provides an enhanced, comprehensive overview of data warehousing together with in-depth explanations of critical issues in planning, design, deployment, and ongoing maintenance. IT professionals eager to get into the field will gain a clear understanding of techniques for data extraction from source systems, data cleansing, data transformations, data warehouse architecture and infrastructure, and the various methods for information delivery.This practical Second Edition highlights the areas of data warehousing and business intelligence where high-impact technological progress has been made. Discussions on developments include data marts, real-time information delivery, data visualization, requirements gathering methods, multi-tier architecture, OLAP applications, Web clickstream analysis, data warehouse appliances, and data mining techniques. The book also contains review questions and exercises for each chapter, appropriate for self-study or classroom work, industry examples of real-world situations, and several appendices with valuable information.Specifically written for professionals responsible for designing, implementing, or maintaining data warehousing systems, Data Warehousing Fundamentals presents agile, thorough, and systematic development principles for the IT professional and anyone working or researching in information management. Zusammenfassung Since the first edition of Data Warehousing Fundamentals, there has been an increase in enterprises either already having or in the process of obtaining the data warehousing programs. Inhaltsverzeichnis Preface xxv Part 1 Overview and Concepts 1 1 The Compelling Need For Data Warehousing 3 Chapter Objectives 3 Escalating Need For Strategic Information 4 Failures of Past Decision-Support Systems 9 Operational Versus Decision-Support Systems 11 Data Warehousing-The Only Viable Solution 13 A Simple Concept For Information Delivery 15 The Data Warehousing Movement 17 Evolution of Business Intelligence 18 Chapter Summary 20 Review Questions 20 Exercises 21 2 Data Warehouse: The Building Blocks 23 Chapter Objectives 23 Defining Features 24 Data Warehouses and Data Marts 29 Architectural Types 32 Overview of The Components 34 Metadata in The Data Warehouse 41 Chapter Summary 42 Review Questions 43 Exercises 43 3 Trends in Data Warehousing 45 Chapter Objectives 45 Continued Grow...

Autorentext
PAULRAJ PONNIAH, PHD, with over thirty years of experience as an IT consultant, has worked with such organizations as Texaco, Sotheby's, Blue Cross/Blue Shield, NA Philips, New York-Presbyterian Hospital, Panasonic, and Bantam Doubleday Dell. He specializes in the design and implementation of data warehouse and database systems. Dr. Ponniah has published three successful books and, as Adjunct Professor, continues to teach college courses in data warehousing and database design.

Klappentext
Cutting-edge content and guidance from a data warehousing expert--now expanded to reflect field trends Data warehousing has revolutionized the way businesses in a wide variety of industries perform analysis and make strategic decisions. Since the first edition of Data Warehousing Fundamentals, numerous enterprises have implemented data warehouse systems and reaped enormous benefits. Many more are in the process of doing so. Now, this new, revised edition covers the essential fundamentals of data warehousing and business intelligence as well as significant recent trends in the field. The author provides an enhanced, comprehensive overview of data warehousing together with in-depth explanations of critical issues in planning, design, deployment, and ongoing maintenance. IT professionals eager to get into the field will gain a clear understanding of techniques for data extraction from source systems, data cleansing, data transformations, data warehouse architecture and infrastructure, and the various methods for information delivery. This practical Second Edition highlights the areas of data warehousing and business intelligence where high-impact technological progress has been made. Discussions on developments include data marts, real-time information delivery, data visualization, requirements gathering methods, multi-tier architecture, OLAP applications, Web clickstream analysis, data warehouse appliances, and data mining techniques. The book also contains review questions and exercises for each chapter, appropriate for self-study or classroom work, industry examples of real-world situations, and several appendices with valuable information. Specifically written for professionals responsible for designing, implementing, or maintaining data warehousing systems, Data Warehousing Fundamentals presents agile, thorough, and systematic development principles for the IT professional and anyone working or researching in information management.

Zusammenfassung
Since the first edition of Data Warehousing Fundamentals, there has been an increase in enterprises either already having or in the process of obtaining the data warehousing programs.

Inhalt
Preface xxv Part 1 Overview and Concepts 1 1 The Compelling Need For Data Warehousing 3 Chapter Objectives 3 Escalating Need For Strategic Information 4 Failures of Past Decision-Support Systems 9 Operational Versus Decision-Support Systems 11 Data Warehousing-The Only Viable Solution 13 A Simple Concept For Information Delivery 15 The Data Warehousing Movement 17 Evolution of Business Intelligence 18 Chapter Summary 20 Review Questions 20 Exercises 21 2 Data Warehouse: The Building Blocks 23 Chapter Objectives 23 Defining Features 24 Data Warehouses and Data Marts 29 Architectural Types 32 Overview of The Components 34 Metadata in The Data Warehouse 41 Chapter Summary 42 Review Questions 43 Exercises 43 3 Trends in Data Warehousing 45 Chapter Objectives 45 Continued Growth in Data Warehousing 46 Significant Trends 50 Emergence of Standards 64 Web-Enabled Data Warehouse 66 Chapter Summary 69 Review Questions 69 Exercises 70 Part 2 Planning and Requirements 71 4 Planning and Project Management 73 Chapter Objectives 73 Planning Your Data Warehouse 74 The Data Warehouse Project 79 The Development Phases 83 The Project Team 85 Project Management …

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