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question asked: Jan 30 '13, 8:29 a.m.
question was seen: 3,705 times
last updated: Jan 31 '13, 1:20 p.m.

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Database Migration query.

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Archana M (21●6●8) | asked Jan 30 '13, 8:29 a.m.

Hello,

We have a requirement to migrate derby database to Oracle database (same server version (RTC4.0)).

The destination database (i.e Oracle) already has some data. Will the migration overwrite or add new data upon the existing data? The destination database(oracle) is already configured for an RTC instance(1) and has data and we are planning to migrate another RTC instance with derby database onto the former RTC instance.

Are there any risks/issues that we can expect?

Thanks

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Daniel Toczala (882●1●15●14) | answered Jan 31 '13, 1:20 p.m.
FORUM MODERATOR / JAZZ DEVELOPER
The existing database will be overwritten and you will lose all existing data, which will be replaced with the data from your Derby database instance.

If you want to migrate data, you will need to selectively import and export data from the existing RTC instances using the import/export tools for work items and source code.  The database import/export tools are for migration of an entire repository, and will overwrite any existing data in your established Oracle instance.

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