Table of Contents

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  1. Preface
  2. Introduction
  3. Accessing Data Archive
  4. Working with Data Archive
  5. Scheduling Jobs
  6. Viewing the Dashboard
  7. Creating Data Archive Projects
  8. Salesforce Archiving
  9. SAP Application Retirement
  10. Creating Retirement Archive Projects
  11. Integrated Validation for Archive and Retirement Projects
  12. Retention Management
  13. External Attachments
  14. Data Archive Restore
  15. Data Discovery Portal
  16. Data Visualization
  17. Data Privacy
  18. Oracle E-Business Suite Retirement Reports
  19. JD Edwards Enterprise Retirement Reports
  20. Oracle PeopleSoft Applications Retirement Reports
  21. Language Settings
  22. Data Vault Datatype Conversion
  23. Special Characters in Data Vault
  24. SAP Application Retirement Supported HR Clusters
  25. Glossary

Schema Synchronization

Schema Synchronization

When you restore data from the Data Vault to an existing database, you might need to synchronize schema differences between the Data Vault and the existing database.
To synchronize schemas, you can generate metadata in the Enterprise Data Manager and run the Data Vault Loader to update the Data Vault schema, or you can use a staging database.
Update the Data Vault schema with the Data Vault Loader when changes to the target table are additive, including extended field sizes or new columns with a null default value. New columns with a non-null default value require manually running an ALTER TABLE SQL command. If you removed columns or reduced the size of columns on the target table, you must synchronize through a staging database.

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