rman备份，恢复

ackup database format 'd: t\%U';

rman> restore database;
rman> recover database;


======================================
backup database format 'd: t\%U';
backup controlfile format 'd: t\%F';


set dbid 2519887659

# set controlfile autobackup format for device type disk to 'd: t\%U';

run {
restore controlfile from 'k2QUKOHL_1_1';
}

rman> alter database mount;

rman> restore database;

rman> recover database;

rman> alter database open resetlogs;