ORA Database Error Messages ORA-12334: database (link name string) is still open August 4, 2015 mpbod ORA-12334: database (link name string) is still open Cause: You attempted to dismount a database that is still open. Action: Close the database with the ALTER DATABASE CLOSE command, then re-attempt to dismount the database. Back to previous menu https://support.oracle.com/ http://www.oracle.com/ Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)