If you do not use the default format, then during disaster recovery you must specify the format that was used to generate the autobackups. Otherwise, RMAN cannot restore the autobackup. 如果不使用默认格式,那么在恢复过程中有个灾难,必须指定用于生成autobackup的格式。 否则,RMAN无法恢复autobackup。 实...