在主存储上使用重复数据删除也会有成效，但却不要期望可以达到像备份实施时典型的2.5倍到3倍的比例这样高的数据压缩比。
There are some gains to be had here, but don't expect the same data reduction ratios that you'll see in backup operations; 2.5X to 3X is typical.
每当数据库的模式发生更改，或者进行像添加或删除数据文件、添加或删除表空间这样的更改时，建议管理员执行脱机备份。
Administrators are advised to do an offline backup whenever the schema of the database changes, or changes are made such as adding or removing data files, and adding or removing of table Spaces.
例如，如果要把多个目录复制到备份目录，就会像清单2这样做。
For example, if you are copying multiple directories to a backup directory, Listing 2 will do what you want.
UNIX备份文件看起来将像这样。
假定我们像上面描述的那样执行了备份——星期天执行完全备份，星期一至星期六执行增量备份。
Assuming we back up as depicted above - Sunday full backup, Monday to Saturday we do incremental backups.
在处理像数据仓库环境中数据库那样的巨型数据库方面，Oracle和DB 2都提供了增量和差异备份，避免复制未更改的数据页。
Dealing with huge databases such as those in data warehouse environment, both Oracle and DB2 provide incremental and differential backup to avoid copying unchanged data pages.
如果说你想从世界的另一端做自定操作，像备份某些文件，从任何地方获取你的文件，配置你的自定义生成软件等。
Say if you want to do custom operation from other end of the world, like back up certain files, retrieve your file from any where, configure your custom build software, etc.
但是，那些像Reddit和其他一些网站崩溃的原因很简单，他们按照亚马逊在其服务协定中提出的建议：只在一个地方建立数据备份就够了。
But sites like Reddit and others that crashed were simply following the instructions Amazon laid out in its service agreement, which says hosting in one region should be sufficient.
考虑到那些变慢的，有恶意流氓软件的，从不备份的电脑像火鸡一样永恒，为了适应2010年的新需求我们已经对此贴做了相应的更新。
We've updated everything for your 2010 needs, considering that slow, malware-prone, never-backed-up computers are as timeless as Turkey.
克魔岛的备份也转换为一组和忘记的应用，您可以设定它一旦和它的工作会像一个魅力在背景中。
Comodo Backup also translates as a set-and-forget application, you can set it once and it will work like a charm in the background.
克魔岛的备份也转换为一组和忘记的应用，您可以设定它一旦和它的工作会像一个魅力在背景中。
Comodo Backup also translates as a set-and-forget application, you can set it once and it will work like a charm in the background.
应用推荐