Installing Oracle XML DB ro Oracle 9.2 on HP

I am suddenly in a position where I need to learn to be my own Oralce DBA. I have limited experience with Oracle and haven't ever performed an install on my own.

Recently someone installed Oracle 9.2 on an HP for me to use. He choose the "Software Only" option on the 9i Database Configuration Screen during install. So that it only installed the software and did not create a database.

I am now trying to do somethings with Oracle XML DB but don't think it was installed . . . I tried several things to see if it was installed, such as:

"select XDBUriType('/xdbconfig.xml').getXML() from dual /"

AND
"select object_name from dba_objects where owner = 'XDB'"

each of which returned "no rows selected"

So I am assuming that the XML DB stuff didn't get installed . . .