please help me asap... please... Table to table back-up...

hello!! im new here..

i found out about your site.. and i want to ask if you can help me with my project...

im using oracle 10g..
and i wanted to back-up a databse.. using another into another database..

i mean., back-up a table into another table...
and it should be scheduled once every hour..
do you think its posible?

im currently researching about that too.. and i found about RMAN.. but i dont know how to use it..please help me!!!! thanks.. :)