i want to know if there is a possibility to copy my database(user) create using oracle to a flash drive.
So you would export your schema, reinstall OS and XE, and import it ? Yes, it would be possible, but would that be sufficient ? don't you have any APEX applications ? (or anything else)
I'd do something better : RMAN cold backup, reinstall everything, and restore.
please could give me more info abt RMAN cold backup..thx