Data Warehousing Fundamentals - Nền tảng kho dữ liệu cho chuyên gia CNTT
Cuốn sách cung cấp hướng dẫn toàn diện về nền tảng kho dữ liệu cho các chuyên gia công nghệ thông tin.
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Data Warehousing Fundamentals: A Comprehensive Guide for IT Professionals. Paulraj Ponniah Copyright © 2001 John Wiley & Sons, Inc. ISBNs: 0-471-41254-6 (Hardback); 0-471-22162-7 (Electronic) DATA WAREHOUSING FUNDAMENTALS DATA WAREHOUSING FUNDAMENTALS A Comprehensive Guide for IT Professionals PAULRAJ PONNIAH A Wiley-Interscience Publication JOHN WILEY & SONS, INC. New York / Chichester / Weinheim / Brisbane / Singapore / Toronto Designations used by companies to distinguish their products are often claimed as trademarks. In all instances where John Wiley & Sons, Inc., is aware of a claim, the product names appear in initial capital or ALL CAPITAL LETTERS. Readers, however, should contact the appropriate companies for more complete information regarding trademarks and registration. Copyright © 2001 by John Wiley & Sons, Inc. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic or mechanical, including uploading, downloading, printing, decompiling, recording or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without the prior written permission of the Publisher. Requests to the Publisher for permission should be addressed to the Permissions Department, John Wiley & Sons, Inc., 605 Third Avenue, New York, NY 10158-0012, (212) 850-6011, fax (212) 850-6008, E-Mail: PERMREQ @ WILEY.COM. This publication is designed to provide accurate and authoritative information in regard to the subject matter covered. It is sold with the understanding that the publisher is not engaged in rendering professional services. If professional advice or other expert assistance is required, the services of a competent professional person should be sought. ISBN 0-471-22162-7 This title is also available in print as ISBN 0-471-41254-6. For more information about Wiley products, visit our web site at www.Wiley.com. To Vimala, my loving wi
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- 문서명
- Data Warehousing Fundamentals - Nền tảng kho dữ liệu cho chuyên gia CNTT
- 작성자 (문서 내)
- Paulraj Ponniah
- 내용
- Cuốn sách này là cẩm nang toàn diện về kho dữ liệu dành cho chuyên gia IT, đi sâu vào lý do ra đời, các đặc điểm cốt lõi, thành phần cấu tạo và xu hướng phát triển của công nghệ này.
- 목차
- Foreword
- Preface
- Part 1 OVERVIEW AND CONCEPTS
- 1 The Compelling Need for Data Warehousing
- Chapter Objectives 1
- Escalating Need for Strategic Information 2
- The Information Crisis 3
- Technology Trends 4
- Opportunities and Risks 5
- Failures of Past Decision-Support Systems 7
- History of Decision-Support Systems 8
- Inability to Provide Information 9
- Operational Versus Decision-Support Systems 9
- Making the Wheels of Business Turn 10
- Watching the Wheels of Business Turn 10
- Different Scope, Different Purposes 10
- Data Warehousing—The Only Viable Solution 12
- A New Type of System Environment 12
- Processing Requirements in the New Environment 12
- Business Intelligence at the Data Warehouse 12
- Data Warehouse Defined 13
- A Simple Concept for Information Delivery 14
- An Environment, Not a Product 14
- A Blend of Many Technologies 14
- Chapter Summary 15
- Review Questions 16
- Exercises 16
- 2 Data Warehouse: The Building Blocks
- Chapter Objectives 19
- Defining Features 20
- Subject-Oriented Data 20
- Integrated Data 21
- Time-Variant Data 22
- Nonvolatile Data 23
- Data Granularity 23
- Data Warehouses and Data Marts 24
- How are They Different? 251
- Top-Down Versus Bottom-Up Approach 26
- A Practical Approach 27
- Overview of the Components 28
- Source Data Component 28
- Data Staging Component 31
- Data Storage Component 33
- Information Delivery Component 34
- Metadata Component 35
- Management and Control Component 35
- Metadata in the Data Warehouse 35
- Types of Metadata 36
- Special Significance 36
- Chapter Summary 36
- Review Questions 37
- Exercises 37
- 3 Trends in Data Warehousing
- Chapter Objectives 39
- Continued Growth in Data Warehousing 40
- Data Warehousing is Becoming Mainstream 40
- Data Warehouse Expansion 41
- Vendor Solutions and Products 42
- Significant Trends 43
- Multiple Data Types 44
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