sqlplus /nolog
connect sys/change_on_install as sysdba
shutdown normal
startup mount
alter database open;
alter database datafile 6 offine drop;
shutdown normal
startup mount
alter database open;
sqlplus /nolog
connect sys/change_on_install as sysdba
shutdown normal
startup mount
alter database open;
alter database datafile 6 offine drop;
shutdown normal
startup mount
alter database open;