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## Preface

This book provides information about Zero Downtime Migration capabilities, how to set up the Zero Downtime Migration service, how to prepare your source and target databases for migration, and how to use the Zero Downtime Migration tool to quickly and smoothly move your Oracle databases to the Oracle Cloud or any Oracle Exadata Database Machine environment without incurring any significant downtime.

### Audience

This book is intended for anyone who wants to learn about what Zero Downtime Migration can do, and for anyone tasked with migrating Oracle databases.

### Documentation Accessibility

For information about Oracle's commitment to accessibility, visit the Oracle Accessibility Program website at http://www.oracle.com/pls/topic/lookup?ctx=acc&id=docacc.

Access to Oracle Support

Oracle customer access to and use of Oracle support services will be pursuant to the terms and conditions specified in their Oracle order for the applicable services.

### 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 what's new in this release, known issues, and troubleshooting solutions.

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 for information about third party licenses included in the Zero Downtime Migration software kit.

### Conventions

The following text conventions are used in this document:

Convention | Meaning
--- | ---
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italic | Italic type indicates book titles, emphasis, or placeholder variables for which you supply particular values.
`monospace` | Monospace type indicates commands within a paragraph, URLs, code in examples, text that appears on the screen, or text that you enter.