This book provides information about using Zero Downtime Migration to quickly and smoothly move your Oracle databases from on-premises environments and third-party clouds to the Oracle Cloud without incurring any significant downtime.


This book is intended for database administrators who want to migrate databases to Oracle Cloud Services with minimal downtime.

Documentation Accessibility

For information about Oracle's commitment to accessibility, visit the Oracle Accessibility Program website at

Access to Oracle Support

Oracle customers that have purchased support have access to electronic support through My Oracle Support. For information, visit or visit if you are hearing impaired.

Related Documents

See Zero Downtime Migration on the Oracle Help Center for all published Zero Downtime Migration documentation.

See Zero Downtime Migration Release Notes for the latest information about known issues, My Oracle Support notes, and runbooks.

See the README file included with the downloaded Zero Downtime Migration software for additional information about installation.

See Zero Downtime Migration Licensing Information User Manual


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