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  • Book Overview & Buying Oracle Goldengate 11g Complete Cookbook
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Oracle Goldengate 11g Complete Cookbook

Oracle Goldengate 11g Complete Cookbook

By : Ankur Gupta
3.7 (9)
Buy this Book
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Oracle Goldengate 11g Complete Cookbook

Oracle Goldengate 11g Complete Cookbook

3.7 (9)
By: Ankur Gupta
Buy this Book

Overview of this book

Oracle Goldengate 11g Complete Cookbook is your complete guide to all aspects of Goldengate administration. The recipes in this book will teach you how to setup Goldengate configurations for simple and complex environments requiring various filtering and transformations. It also covers various aspects of tuning and troubleshooting the replication setups using exception handling, custom fields, and logdump utility.The book begins by explaining some basic tasks like Installation and Process groups setup. You will then be introduced to some further topics including DDL replication and various options to perform Initial Loads. You will then learn some advanced administration tasks such as Multi Master replication setup and conflict resolution. Further recipes, contain the cross platform replication and high availability options for Goldengate.
Table of Contents (16 chapters)
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Oracle GoldenGate 11g Complete Cookbook
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Oracle GoldenGate 11g Complete Cookbook
Credits
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Credits
About the Author
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About the Author
About the Reviewers
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About the Reviewers
www.PacktPub.com
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www.PacktPub.com
Preface
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Preface
Lock Free Chapter
1
Installation and Initial Setup
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Installation and Initial Setup
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Introduction
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Installing Oracle GoldenGate in a x86_64 Linux-based environment
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Installing Oracle GoldenGate in a Windows environment
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Enabling supplemental logging in the source database
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Supported datatypes in Oracle GoldenGate
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Preparing the source database for GoldenGate setup
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Preparing the target database for GoldenGate setup
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Setting up a Manager process
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Setting up a Classic Capture Extract process
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Setting up an Integrated Capture Extract process
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Setting up a Datapump process
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Setting up a Replicat process
2
Setting up GoldenGate Replication
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Setting up GoldenGate Replication
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Introduction
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Setting up a simple GoldenGate replication configuration between two single node databases
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Setting up a GoldenGate replication with multiple process groups
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Configuring an Extract process to read from an Oracle ASM instance
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Setting up a GoldenGate replication between Oracle RAC databases
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Determining the size of trail file areas
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Verifying the data transfer on the target system
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Generating encryption keys
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Encrypting database user passwords
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Encrypting the trail files
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Setting up a GoldenGate replication between tables with different structures using defgen
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DDL Replication and Initial Load
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DDL Replication and Initial Load
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Introduction
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Performing an initial setup required for GoldenGate DDL replication
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Setting up a GoldenGate DDL replication and verifying the changes
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Performing an initial load using GoldenGate
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Performing an initial load using an extract file to the GoldenGate's replicat method
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Loading data using trail files to the Replicat process method
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Loading data with files to the database utility method
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Loading data with the GoldenGate direct load method
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Loading data with bulk load to the SQL loader method
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Mapping and Manipulating Data
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Mapping and Manipulating Data
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Introduction
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Setting up a GoldenGate replication with mapping between different columns
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Adding custom fields for a replicated record using tokens
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Adding custom fields to a replicated record using SQLEXEC
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Filtering the records using the FILTER and WHERE clause
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Mapping the changes to a target table and storing the transaction history in a history table
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Creating a GoldenGate configuration to run a Shell script when an end-of-day processing record is replicated
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Creating an exception handler to record the erroneous transactions in a GoldenGate configuration
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Oracle GoldenGate High Availability
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Oracle GoldenGate High Availability
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Introduction
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Choosing a GoldenGate high availability option
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Creating a highly available GoldenGate configuration using Oracle Clusterware and ACFS
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Creating a highly available GoldenGate configuration using Oracle Clusterware and OCFS2
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Creating a highly available GoldenGate configuration using Oracle Clusterware and DBFS
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Manually switching over Oracle Clusterware-based configuration to the other node
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Automatic failover of a DBFS-based configuration
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Creating a set of parallel load balanced, highly available GoldenGate configurations using Oracle Clusterware and DBFS
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Monitoring, Tuning, and Troubleshooting GoldenGate
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Monitoring, Tuning, and Troubleshooting GoldenGate
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Introduction
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Steps to configure a BATCHSQL mode
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Splitting the replication load into multiple process groups for optimal performance
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Optimizing the network settings for a GoldenGate configuration
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Performing a healthcheck of a live GoldenGate configuration
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Script to perform a regular scheduled healthcheck of a live GoldenGate configuration
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Steps to measure throughput of a GoldenGate configuration
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Steps to re-instantiate a failed GoldenGate configuration
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Steps to implement a Heartbeat mechanism for the GoldenGate replication
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Advanced Administration Tasks – I
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Advanced Administration Tasks – I
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Introduction
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Upgrading Oracle GoldenGate binaries
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Table structure changes in GoldenGate environments with similar table definitions
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Table structure changes in GoldenGate environments with different table definitions
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Resolving GoldenGate errors using the logdump utility
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Undoing the applied changes using the reverse utility
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Creating an Integrated Capture with a downstream database for compressed tables
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Advanced Administration Tasks – Part II
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Advanced Administration Tasks – Part II
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Introduction
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Creating a GoldenGate configuration with a consistent state behind the target database
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Replicating data from an active standby database in Archivelog mode only
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Migrating from an Oracle Streams environment to Oracle GoldenGate
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GoldenGate Administration role separation from the DBA team
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Cross RDBMS replication using GoldenGate
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Creating a multimaster GoldenGate replication configuration
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GoldenGate Veridata, Director, and Monitor
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GoldenGate Veridata, Director, and Monitor
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Introduction
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Setting up the Oracle GoldenGate Monitor server
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Setting up Oracle GoldenGate Monitor Agents
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Installing Oracle GoldenGate Director
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Installing and using Oracle GoldenGate Director Client to manage the GoldenGate instances
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Steps to set up the GoldenGate monitoring using OEM 12c
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Steps to install Oracle GoldenGate Veridata
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Steps to compare data between the source and target environment using Oracle GoldenGate Veridata
1
Index
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Index

Supported datatypes in Oracle GoldenGate

Oracle GoldenGate has some restrictions in terms of what it can replicate. With every new release, Oracle is adding new datatypes to the list of what is supported. The list of the datatypes of the objects that you are planning to replicate should be checked against the list of supported datatypes for the GoldenGate version that you are planning to install.

Getting ready

You should have identified the various datatypes of the objects that you plan to replicate.

How to do it…

The following is a high-level list of the datatypes that are supported by Oracle GoldenGate v11.2.1.0.1:

  • NUMBER

  • BINARY FLOAT

  • BINARY DOUBLE

  • CHAR

  • VARCHAR2

  • LONG

  • NCHAR

  • NVARCHAR2

  • RAW

  • LONG RAW

  • DATE

  • TIMESTAMP

  • CLOB

  • NCLOB

  • BLOB

  • SECUREFILE and BASICFILE

  • XML datatypes

  • User defined/Abstract datatypes

  • SDO_GEOMETRY, SDO_TOPO_GEOMETRY, and SDO_GEORASTER are supported

How it works…

There are some additional details that one needs to consider while evaluating the supported datatypes for a GoldenGate version. For example, the user-defined datatypes are only supported if the source and target tables have the same structures. Both Classic and Integrated Capture modes support XML types which are stored as XML, CLOB, and XML binary. However, XML type tables stored as Object Relational are only supported in Integrated Capture mode.

There's more…

The support restrictions apply to a few other factors apart from the datatypes. Some of these are as Manipulating Data:

  • INSERTs, UPDATEs and DELETEs are supported on regular tables, IOTs, clustered tables and materialized views

  • Tables created as EXTERNAL are not supported

  • Extraction from compressed tables is supported only in Integrated Capture mode

  • Materialized views created with ROWID are not supported

  • Oracle GoldenGate supports replication of the sequences only in uni-directional mode

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