shutdown immediate，丢失全部控制文件(不包括数据文件和redo)，A[完全恢复]
SQL> conn internal
SQL> shutdown immediate;
用热备的控制文件恢复（把热备的控制文件拷贝回来）
mount数据库
SQL> startup mount
ORACLE instance started.
完全恢复和until cancel using backup controlfile都失败
SQL> recover database;
ORA-00283: recovery session canceled due to errors
ORA-01610: recovery using the BACKUP CONTROLFILE option must be done
SQL> recover database until cancel using backup controlfile;
ORA-00279: change 424123 generated at 10/20/2002 20:44:12 needed for thread 1
Specify log: {<RET>=suggested | filename | AUTO | CANCEL}
auto
ORA-00266: name of archived log file needed
ORA-01547: warning: RECOVER succeeded but OPEN RESETLOGS would get error below
ORA-01152: file 1 was not restored from a sufficiently old backup
ORA-01110: data file 1: 'D:\BACKUPDB\SYSTEM01.DBF'
重建控制文件
SQL> alter database backup controlfile to trace;
Database altered.
