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To download the Oracle Database Migration Assistant for Unicode, accept the OTN license by selecting the appropriate radio button above and then click on the download link at the bottom of this page.
Oracle Database Migration Assistant for Unicode (DMU) is written in Java and is supported on selected Microsoft Windows and Unix-based platforms for which Java SE Development Kit 8 is available. See the page Supported Configurations for more details. The download package is platform-independent, though it contains four Microsoft Windows-specific startup executables
dmuW64.exe and a Unix-specific startup shell script
dmu.sh. See the page Getting Started for information about installing and starting the DMU.
Oracle Database Migration Assistant for Unicode requires Java SE Development Kit (JDK) in version 8. Ensure you have a JDK installed. On 64-bit Microsoft Windows platforms, use a 64-bit Oracle JDK and a 64-bit DMU executable:
dmuW64.exe. On 32-bit Microsoft Windows platforms, use a 32-bit Oracle JDK and a 32-bit DMU executable:
dmuW32.exe. See the page Getting Started for download instructions.
To migrate a database with help of the Oracle Database Migration Assistant for Unicode, you may first need to install a dedicated patch to the database Oracle Home. See the page Supported Configurations for the patch number and the page Getting Started for download and installation instructions.