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  • PowerExchange for CDC and Mainframe 10.5.2
  • All Products

Table of Contents

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  1. Preface
  2. Part 1: PowerExchange Change Data Capture Introduction
  3. Part 2: CDC Components Configuration and Management
  4. Part 3: CDC Sources Configuration and Management
  5. Part 4: Change Data Extraction
  6. Part 5: Monitoring and Tuning
  7. Appendix A: CDC for z/OS Troubleshooting
  8. Appendix B: DTL__CAPXTIMESTAMP Time Stamps

CDC Guide for z/OS

CDC Guide for z/OS

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Managing IMS Schema Changes

Managing IMS Schema Changes

If you change the structure of an IMS database that is registered for change data capture, use this procedure to retain access to historically captured data while capturing data under the new structure.
  1. Stop all update activity against the IMS database.
  2. Ensure that PowerExchange has processed all changes that occurred under the old schema.
  3. Make the structural changes to the IMS database.
  4. Create a new PowerExchange capture registration that reflects the schema changes.
  5. Restart PowerExchange processing.
  6. Allow update activity to the IMS database to resume.
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