Adding the Examples Tables back into a database.
With 11g they are not just a DDL create, there is a special RMAN pl/sql call and everything.
The best thing to do is :
1: $OH/demo/schemas/mkplug.sql copy to m2.sql and edit.
remove all defines and set the variables to hardcode.
The missing DFB files can be found at $OH/assistants/dbca/templates, as can the hotplug example.dmp, also fill in the output DBF file in the normal oradata location.
Make sure the log file location has a / at the end for Linux, as the spool won't work properly otherwise.
Then it just runs !!!!