Oracle Goldengate for Windows and UNIX
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Oracle® GoldenGate Windows and UNIX Administrator’s Guide 11g Release 2 Patch Set 1 (11.2.1.0.1) E29397-01 April 2012 Oracle GoldenGate Windows and UNIX Administrator’s Guide 11g Release 2 Patch Set 1 (11.2.1.0.1) E29397-01 Copyright © 2012, Oracle and/or its affiliates. All rights reserved. This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property laws. Except as expressly permitted in your license agreement or allowed by law, you may not use, copy, reproduce, translate, broadcast, modify, license, transmit, distribute, exhibit, perform, publish, or display any part, in any form, or by any means. Reverse engineering, disassembly, or decompilation of this software, unless required by law for interoperability, is prohibited. The information contained herein is subject to change without notice and is not warranted to be error-free. 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AMD, Opteron, the AMD logo, and the AMD Opteron logo are trademarks or registered trademarks of Advanced Micro Devices. UNIX is a registered trademark of The Open Group. This software or hardware and documentation may provide access to or information on content, products, and services from third parties. Oracle Corporation and its affiliates are not responsible for and expressly disclaim all warranties of any kind with respect to third-party content, products, and services. Oracle Corporation and its affiliates will not be responsible for any loss, costs, or damages incurred due to your access to or use of third-party content, products, or services. Contents . Preface About the Oracle GoldenGate guides. 6 Typographic conventions used in this manual . 7 Getting more help with Oracle GoldenGate . 7 Chapter 1 Introduction to Oracle GoldenGate. 9 Oracle GoldenGate supported processing methods and databases. 9 Overview of the Oracle GoldenGate architecture . 10 Overview of process types . 16 Overview of groups . 16 Overview of the Commit Sequence Number (CSN). 17 Chapter 2 Oracle GoldenGate globalization support . 18 Preserving the character set . 18 Using Unicode and native characters. 19 Chapter 3 Configuring Manager and Network Communications . 20 Overview of the Manager process. 20 Assigning Manager a port for local communication. 20 Maintaining ports for remote connections through firewalls . 20 Choosing an internet protocol . 21 Recommended Manager parameters. 22 Creating the Manager parameter file . 22 Starting Manager. 23 Stopping Manager . 24 Chapter 4 Getting started with the Oracle GoldenGate process interfaces . 25 Using the GGSCI command-line interface . 25 Using UNIX batch and shell scripts . 26 Using Oracle GoldenGate parameter files. 27 Supported characters in object names . 35 Specifying object names in Oracle GoldenGate input . 37 Applying SQL-92 rules for names and literals in parameter files. 42 .............................................................................. Oracle GoldenGate Windows and UNIX Administrator’s Guide 1 Contents Chapter 5 Using Oracle GoldenGate for live reporting . 43 Overview of the reporting configuration . 43 Considerations when choosing a reporting configuration . 44 Creating a standard reporting configuration . 45 Creating a reporting configuration with a data pump on the source system . 47 Creating a reporting configuration with a data pump on an intermediary system. 50 Creating a cascading reporting configuration . 55 Chapter 6 Using Oracle GoldenGate for real-time data distribution . 63 Overview of the data-distribution configuration. 63 Considerations for a data-distribution configuration. 63 Creating a data distribution configuration . 65 Chapter 7 Configuring Oracle GoldenGate for real-time data warehousing . 69 Overview of the data-warehousing configuration . 69 Considerations for a data warehousing configuration. 69 Creating a data warehousing configuration . 71 Chapter 8 Configuring Oracle GoldenGate to maintain a live standby database. 76 Overview of a live standby configuration. 76 Considerations for a live standby configuration . 77 Creating a live standby configuration . 78 Moving user activity in a planned switchover . 85 Moving user activity in an unplanned failover . 88 Chapter 9 Configuring Oracle GoldenGate for active-active high availability. 92 Overview of an active-active configuration. 92 Considerations for an active-active configuration. 92 Preventing data looping. 95 Creating an active-active configuration . 98 Managing conflicts. 103 Handling conflicts with the Oracle GoldenGate CDR feature. 104 Configuring Oracle GoldenGate CDR. 105 CDR example 1: All conflict types with USEMAX, OVERWRITE, DISCARD . 112 CDR example 2: UPDATEROWEXISTS with USEDELTA and USEMAX . 118 CRD example 3: UPDATEROWEXISTS with USEDELTA, USEMAX, and IGNORE. 121 Chapter 10 Configuring Oracle GoldenGate security . 124 Overview of Oracle GoldenGate security options . 124 Encrypting a trail or file. 125 Encrypting a database user password. 129 Encrypting data sent across TCP/IP . 132 .............................................................................. Oracle GoldenGate Windows and UNIX Administrator’s Guide 2 Contents Generating encryption keys . 133 Configuring command security . 134 Using target system connection initiation. ..