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Oracle Goldengate 12c Implementers Guide

You're reading from   Oracle Goldengate 12c Implementers Guide Leverage the power of real-time data access for designing, building, and tuning your GoldenGate Enterprise

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Product type Paperback
Published in Jul 2015
Publisher
ISBN-13 9781785280474
Length 422 pages
Edition 1st Edition
Languages
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Author (1):
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John P Jeffries John P Jeffries
Author Profile Icon John P Jeffries
John P Jeffries
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Table of Contents (16) Chapters Close

Preface 1. Getting Started FREE CHAPTER 2. Installing and Preparing GoldenGate 3. Design Considerations 4. Configuring Oracle GoldenGate 5. Configuration Options 6. Configuring GoldenGate for HA 7. Advanced Configuration 8. Managing Oracle GoldenGate 9. Performance Tuning 10. Troubleshooting GoldenGate 11. The Future of GoldenGate A. GGSCI Commands
B. GoldenGate Installed Components
C. Acronyms
Index

Replicating data between different GoldenGate versions


Irrespective of source and target database type or version, Oracle GoldenGate versions differ in functionalities and file formats. For example, the canonical file format of a trail file will differ between GoldenGate versions. To allow compatibility between differing versions, we must use the FORMAT RELEASE option of the EXTTRAIL and RMTTRAIL parameters in our Extract and data pump configuration.

The following code will enable the Oracle GoldenGate 11.2.x.x.x Version Replicat (target) to process trail files written by the Oracle GoldenGate 12.1.x.x.x Version Extract (source). The option includes the major.minor numbers of the target release that must be included in the EXTTRAIL and RMTTRAIL configuration on the 12c source:

EXTTRAIL ./dirdat/lt, FORMAT RELEASE 11.2
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