Table of Contents

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  1. Preface
  2. Change Data Capture Introduction
  3. PowerExchange Listener
  4. PowerExchange Condense
  5. DB2 for i5/OS Change Data Capture
  6. Remote Logging of Data
  7. Introduction to Change Data Extraction
  8. Extracting Change Data
  9. Monitoring CDC Sessions
  10. Managing Change Data Extractions
  11. Tuning CDC Sessions
  12. Appendix A: DTL__CAPXTIMESTAMP Time Stamps

CDC Guide for i5/OS

CDC Guide for i5/OS

Rollbacks or Backouts

Rollbacks or Backouts

During normal application processing, the source data is updated with changes. These changes are captured as part of the standard data capture process. However, if at a later time, the transaction processing fails and the changes are backed out, a second set of changes are captured.
PowerExchange Condense can eliminate both the update and backout of changes from the data passed to the target. This feature ensures that only successful changes are available to update the target and reduce the time required to update the target and hence network traffic.

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