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11g database upgrade – how it went – example upgrade #3

The example upgrade #3 was a migration-style upgrade from 10.2 to 11.1.0.7.  A migration is different type from an import/export upgrade.  It changes a lower version database into a higher version database.  If you decide you want to go back to the previous version, depending on what’s happened since you migrated, you’ll have to do […]