14. Strategies for Migrating Data Quickly between Databases
Migrating data that has been stored in an existing source database to a new destination database is probably one of the most nerve-wracking experiences any Oracle DBA will encounter during her career. (Granted, patching a database is no less tedious; but if it’s been done correctly, it’s possible to rewind a database from the results of a failed patching opportunity, and that’s not always the case for a failed data migration attempt.) The good news is that Oracle offers numerous utilities and methodologies to successfully migrate all or part of an Oracle database’s data to a new destination with virtually no service interruptions, but the bad news is that there are so many different ...
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