Front cover Introduction to Tivoli Enterprise Data Warehouse Insider’s guide to Tivoli Enterpise Data Warehouse Best practices for creating data marts Integration with all major OLAP tools Vasfi Gucer William Crane Chris Molloy Sven Schubert Roger Walker ibm.com/redbooks International Technical Support Organization Introduction to Tivoli Enterprise Data Warehouse May 2002 SG24-6607-00 Take Note! Before using this information and the product it supports, be sure to read the general information in “Notices” on page xvii. First Edition (May 2002) This edition applies to Tivoli Enterprise Data Warehouse Version 1.1. Comments may be addressed to: IBM Corporation, International Technical Support Organization Dept. JN9B Building 003 Internal Zip 2834 11400 Burnet Road Austin, Texas 78758-3493 When you send information to IBM, you grant IBM a non-exclusive right to use or distribute the information in any way it believes appropriate without incurring any obligation to you. © Copyright International Business Machines Corporation 2002. All rights reserved. Note to U.S Government Users – Documentation related to restricted rights – Use, duplication or disclosure is subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corp. Contents Figures . .ix Tables . xv Notices . xvii Trademarks . xviii Preface . xix The team that wrote this redbook. xx Notice . xxi Comments welcome. xxii Chapter 1. Introducing building blocks. 1 1.1 Business Intelligence. 2 1.2 Business driving forces . 2 1.3 Main Business Intelligence terms . 3 1.3.1 Operational databases . 4 1.3.2 Online transaction processing (OLTP) . 4 1.3.3 Data warehouse . 5 1.3.4 Data mart . 5 1.3.5 External data source . 5 1.3.6 Online analytical processing (OLAP) . 6 1.3.7 OLAP server . 6 1.3.8 Metadata: A definition . 7 1.3.9 Drill-down . 7 1.3.10 Operational versus informational databases. 8 1.3.11 Data mining . 9 1.4 Different Business Intelligence implementations. 9 1.4.1 Summary table . 10 1.4.2 OLTP data in separate server . 10 1.4.3 Single data mart . 12 1.5 Data warehouse architecture and processes . 14 1.5.1 Data sources . 15 1.5.2 Extraction/propagation . 15 1.5.3 Transformation/cleansing . 16 1.5.4 Data refining . 16 1.5.5 Physical database model . 17 1.5.6 Logical database model . 18 1.5.7 Metadata information . 19 © Copyright IBM Corp. 2002 iii 1.5.8 Operational data source (ODS). 20 1.5.9 Data mart . 22 1.5.10 Presentation and analysis tools . 23 1.6 DB2 DataWarehouse Manager . 25 1.7 Tivoli Enterprise Data Warehouse. 27 1.7.1 The problem . 27 1.7.2 The solution. 29 1.7.3 Benefits of using Tivoli Enterprise Data Warehouse. 31 Chapter 2. Tivoli Enterprise Data Warehouse architecture . 33 2.1 Tivoli Enterprise Warehouse components. 34 2.1.1 Basic components. 34 2.1.2 How Tivoli Enterprise Data Warehouse is packaged . 36 2.2 Tivoli Enterprise Data Warehouse architecture. 37 2.2.1 Single machine installation . 37 2.2.2 Distributed installation . 38 2.2.3 Distributed installation with remote warehouse agents . 40 2.2.4 Central data warehouse data model . 42 2.2.5 Data mart’s star schema . 43 2.3 Applications with Tivoli Enterprise Data Warehouse. 45 Chapter 3. Installation and configuration . 47 3.1 Planning for Tivoli Enterprise Data Warehouse . 48 3.1.1 Selecting port numbers . 48 3.1.2 Other network checks . 51 3.2 Hardware and software requirements . 53 3.2.1 Hardware requirements. 53 3.2.2 Software requirements . 54 3.2.3 Database requirements. 55 3.2.4 Web browser requirements . 56 3.2.5 Report Interface requirements . 57 3.2.6 AIX system requirements . 57 3.2.7 Solaris system requirements. 58 3.3 Stand-alone Tivoli Enterprise Data Warehouse . 59 3.3.1 Windows DB2 Universal Database installation . 60 3.3.2 Tivoli Enterprise Data Warehouse installation . 61 3.4 Distributed Tivoli Enterprise Data Warehouse . 67 3.4.1 DB2 Universal Database installation. 68 3.4.2 Tivoli Enterprise Data Warehouse installation . 70 3.5 Tivoli Enterprise Data Warehouse configuration . 76 3.5.1 Specifying the control database for the Data Warehouse Center . 77 3.5.2 Test sources and targets in the Data Warehouse Center . 79 3.5.3 Installing warehouse packs . 81 iv Introduction to Tivoli Enterprise Data Warehouse Chapter 4. Implementation of the Report Interface . 89 4.1 Tivoli Enterprise Data Warehouse Report Interface . 90 4.2 Basic customization. 91 4.2.1 Roles . 91 4.2.2 Users. 94 4.2.3 User groups. 97 4.2.4 Data marts. 100 4.3 Types of reports . 104 4.3.1 How star schemas are used to create reports . 104 4.3.2 Summary reports. 108 4.3.3 Extreme case reports . 119 4.3.4 Health reports . 122 Chapter 5. Integration of application data to central data repository . 127 5.1 Why you might need to integrate your own data . 128 5.1.1 Mapping data to the existing schema . 128 5.1.2 Supplementing the existing schema . ..