... Protect System and Data（备份、恢复） Maintenance（碎片整理、数据转移） Rescue and Recovery（恢复、备份、创建启动光盘） ...
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Every database management system must be able to protect data against unauthorized access and modification.
每个数据库管理系统都必须能保护数据不会受到未授权访问和修改。
The fact is accounts, passwords, and permissions can only protect your data in the context of an operating system that obeys stated rules.
实际上，帐号、密码和权限只能在遵守固定规则的操作系统环境中保护您的数据。
Creating separate volumes also enables you to protect your data from your system and to protect your system from data problems.
创建单独的卷还可以保护数据免受系统问题的损害，以及保护系统免受数据问题的损害。
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