SQL> alter system set "_allow_resetlogs_corruption"=true scope=spfile;
System altered.
SQL> shutdown immediate
ORA-01109: database not open
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.
Total System Global Area 432013312 bytes
Fixed Size 2021344 bytes
Variable Size 150997024 bytes
Database Buffers 276824064 bytes
Redo Buffers 2170880 bytes
Database mounted.
SQL> alter database open resetlogs;
Database altered.
[@more@]