Hi

At the command line try something like this

c:\> exp system/manager file=myfile.dmp full=y buffer=20000000 log=exp.log

This will take a full export of the database (assuming system password is manager) and put all the data into the file called myfile.dmp. DO NOT try and edit this file as it is a binary file.

You can import this file in full or individual schemas or individual table(s). It's up to you.

Check out this link it has a lot of useful info.
http://wiki.oracle.com/page/Oracle+e...import+?t=anon

Merry Christmas
Alistair