oracle -- 使用rman 復原到某一時間點

c:\set NLS_DATE_FORMAT=YY/MM/DD HH24:MI:SS
rman target sys/密碼@orcl nocatalog
startup mount
run{
set until time '07/09/30 12:00:00';
restore database;
recover database;
}
rman > sql 'alter database open resetlogs';