oracle自动备份教本,定时备份。每月一次全备份,每周一次累积备份,每天一次增量备份,备份后自动打包压缩,文件保存在本地并可通过scp上传到其他服务器-oracle automatic backup textbook, regular backups. Once a month a full backup once a week cumulative backup, incremental backup once a day, the backup automatically packaged