Front cover Oracle to DB2 Conversion Guide for Linux, UNIX, and Windows Step-by-step guide to migrating from Oracle to DB2 9.1 Conversion examples - including XML conversion Step-by-step guide to MTK tool usage Whei-Jen Chen An Na Choi Marina Greenstein Scott J Martin Fraser McArthur Carlos Eduardo Abramo Pinto Arthur V Sammartino Nora Sokolof ibm.com/redbooks International Technical Support Organization Oracle to DB2 Conversion Guide for Linux, UNIX, and Windows August 2007 SG24-7048-01 Note: Before using this information and the product it supports, read the information in “Notices” on page xiii. Second Edition (August 2007) This edition applies to DB2 Version 9 for Linux, UNIX, and Windows, Oracle 9i, Oracle 10g. © Copyright International Business Machines Corporation 2003, 2007. All rights reserved. Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. Contents Notices . xiii Trademarks . xiv Preface . xv The team that wrote this book . xv Acknowledgments . xviii Become a published author . xix Comments welcome. xix Summary of changes . xxi August 2007, Second Edition . xxi Chapter 1. Introduction. 1 1.1 DB2 family of products . 2 1.1.1 DB2 9 Autonomic computing features. 7 1.2 Terminology. 9 1.2.1 Terminology mapping . 9 1.3 Architecture overview . 10 1.3.1 Memory architecture . 12 1.3.2 Process architecture . 15 1.3.3 Files and directory structure . 20 1.3.4 Data Dictionary and Catalog . 26 1.3.5 Communication . 27 1.3.6 Data replication . 30 1.4 Parallel database architecture. 32 1.4.1 Real Application Clusters . 32 1.4.2 DB2 Enterprise with the Database Partitioning Feature (DPF) . 33 Chapter 2. Conversion methodology. 35 2.1 Pre-conversion tasks. 36 2.1.1 IBM Software Migration Project Office team . 37 2.2 IBM conversion strategy . 39 2.2.1 Assessment phase . 40 2.2.2 Conversion phase . 41 2.2.3 The test phase . 43 2.2.4 Implementation and cutover phase . 44 2.2.5 Migration project skills, roles, and responsibilities . 45 2.3 Additional migration resources . 46 2.4 Conversion planning technical considerations . 47 © Copyright IBM Corp. 2003, 2007. All rights reserved. iii 2.4.1 Task scheduling . 47 2.4.2 Auditing . 48 2.4.3 National Language support . 49 2.4.4 Authentication and authorization. 50 2.4.5 Data partitioning . 53 2.4.6 Oracle External tables. 54 2.4.7 Oracle bigfile table spaces . 55 2.4.8 Table space design . 56 2.4.9 Data encryption . 58 2.4.10 Disaster recovery solutions . 59 2.4.11 Oracle Database Resource Manager . 61 2.4.12 Replication considerations . 62 2.4.13 Data Warehouse considerations . 63 Chapter 3. MTK . 65 3.1 MTK overview . 66 3.1.1 MTK facts . 67 3.1.2 MTK features. 68 3.1.3 MTK GUI interface . 69 3.1.4 Migration tasks . 70 3.1.5 The MTK SQL Translator . 75 3.2 MTK planning . 76 3.2.1 Operating system and version requirements . 76 3.2.2 MTK hardware requirements. 77 3.2.3 MTK software requirements . 77 3.2.4 MTK requirements for data extraction. 78 3.2.5 Where to install MTK. 81 3.3 MTK installation. 81 3.3.1 Windows installation . 82 3.3.2 UNIX and Linux Installation. 82 3.3.3 Verifying the environment for creating MTK Java UDFs . 83 Chapter 4. Porting with MTK . 89 4.1 Preparation for porting. 90 4.2 Overview of available documentation . 90 4.3 Running MTK . 91 4.3.1 Migration details . 91 4.3.2 Creating and opening an MTK project . 92 4.4 Extracting or importing metadata into MTK . 93 4.4.1 Choosing objects to extract. 96 4.4.2 Import or extract strategies . 99 4.4.3 Viewing extracted files . 102 4.5 The Convert task . 104 iv Oracle to DB2 Conversion Guide for Linux, UNIX, and Windows 4.6 The Refine task . 107 4.6.1 Message categories and migration impact . 109 4.6.2 The Messages sub-tab . 111 4.6.3 Translator Messages. 115 4.6.4 Refining the metadata conversion. 119 4.7 The Generate Data Transfer Scripts task . 122 4.7.1 Creating unload and load scripts. 125 4.7.2 Files generated by the Generate Data Transfer Script task . 126 4.8 Deploy to Target . 127 4.8.1 Considerations . 128 4.8.2 Deployment strategy . ..