For back-out purposes, it is recommended that a database backup of the Oracle database be taken using standard tools like RMAN. Another option would be to export the FD, FD_ADMIN, and FF schemas using data pump. The schemas can be exported using the following data pump command.
expdp system directory=DATA_PUMP_DIR dumpfile=fd_bkup.dmp schemas=FD,FF,FD_ADMIN
If this database is exclusively used for just FlexDeploy application, you can rely on Database backup and recovery processes (RMAN) instead of export data procedure.