Database Install/Upgrade/Opatch (MOSC)

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Upgrade Database from 11gR2 to 19c - preserving access to the 11gR2 database

in Database Install/Upgrade/Opatch (MOSC) 5 commentsAnswered

We need to upgrade database from 11gR2 to 19c. The databases are currently running on a RH7 server. During testing, it is necessary that both the 11gR2 and the 19c database are accessible. One option is that we install 19c database on the server and then export/import data from the 11gR2 to the 19c database. After testing is complete, we will abandon the 19c install and upgrade in place from 11gR2 to 19c. Are there any other available options? 

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