I'm trying to back up schemas using RMAN but I'm not getting anywhere:
I've created the user rman/rman and also the catalog. I have looked in google but not getting a clear instruction on how to do this.
I am now just using EXP feature on the cmd prompt to back up databases
A search on google for RMAN will turn up some good sites/notes, but you may have to sift through the dross to find them. The following script may also be of some help, as it gives examples of the various commands: