Re: database upgrade to 12c

Posted by ErmanArslansOracleBlog on Nov 09, 2016; 11:36am
URL: http://erman-arslan-s-oracle-forum.124.s1.nabble.com/database-upgrade-to-12c-tp1530p1531.html

Check your /etc/oratab.
You probably don't have the necessary record for your database, there.