平台是否提供数据备份和恢复(至少是为需要的用户提供)？
Does a platform offer data backup and recovery, or at least make it possible for customers who need this?
结合中国人民大学图书馆重要数据备份和恢复实际需求，探讨自动备份系统在图书馆中的实现。
This paper explores how to achieve the automatic backup system through analyzing the current requirements of backup and restore in the Library of Renmin University of China.
本发明在不停止业务的前 提下实现数据备份和恢复，并且如果数据损坏的范围比较小，本发明的恢复 开销会小到可以忽略的程度。
The invention can accomplish the data duplicating and restoring without stopping business, which minimizes the data damage scope and restoring cost to reach the neglect degree.
而且，通过使用DPF，可以显著缩短备份和恢复时间，因为每台参与分区的机器需要处理的数据量更小了。
Furthermore, backup and recovery times can be significantly reduced when using DPF, due to the smaller amounts of data that each partitioning machine would be dealing with.
对于必须最小化数据丢失(如果不能完全避免的话)的任何业务环境，备份和恢复是最基本的操作。
Backup and recovery are essential for any business environment where data loss must be minimized if not totally avoided.
这种内存用于数据库级的任务，例如备份/恢复、锁定和SQL的执行。
This memory is used by database level tasks such as backup/restore, locking, and SQL executions.
使用存储设备执行数据复制的能力让备份和恢复操作更加快速。
Being able to use the storage device to perform the data copy phase makes backup and restore operations much faster.
AdvancedCopyServices (acs)使您能够利用受支持的存储设备的快速复制技术，该技术可用于执行备份和恢复操作的数据复制部分。
DB2 Advanced copy Services (ACS) enables you to leverage the fast copying technology of supported storage devices to perform the data copying part of backup and restore operations.
如果您选择使用归档日志记录，并执行联机备份和前滚恢复，那么您可以恢复到数据丢失最少的那个时间点，或者恢复到结束日志的时候。
If you choose to have archive logging, and do an online backup and roll forward recovery, you can recover to a point in time or to the end of the logs for the minimum loss of data.
数据管理涉及多种领域的专门技术，比如备份和恢复、数据库设计、服务提供商选择。
Managing data requires specific skills in many areas, such as backup and restore, database design, and choice of service provider.
其他重要的问题还包括备份策略、修复策略和从测试数据丢失中恢复的机制。
Other important questions would include the backup strategy, restoration strategy and strategy to recover from test data loss.
对于新数据库，要使用DB 2所提供的工具来调度备份和恢复命令。
For the new database, schedule backup and restore commands using the tools provided with DB2.
系统管理：数据管理、数据仓库安全性、系统和数据库的备份和恢复，等等。
System management: data management, data warehouse security, system and database backup and recovery, and so on.
离线策略控制备份和恢复命令，以及数据库备份映像的加密和解密。
The offline policy controls backup and restore commands, and the encryption and decryption of database backup images.
当发生数据毁坏事故，例如软件故障、硬件故障、错误的应用程序逻辑和用户错误后，可以使用这些备份将数据库恢复到适当的状态。
These backups can be used to restore databases to their proper state after data corruption events, such as software failures, hardware failures, bad application logic, and user errors.
由于这些原因，理解数据库管理系统中备份和恢复功能的工作原理，并实施经过精心规划的备份策略，就显得至关重要了。
For these reasons, it is critical that you understand how backup and recovery features function for your database management system, and that you have a well-planned backup strategy implemented.
例如，备份和恢复设施(包括用于故障恢复的高可用性数据复制)都支持xml列中存储的文档。
For example, backup and restore facilities — including high availability data replication for failover situations — all support documents stored in XML columns.
在线备份和恢复是一种内置的机制，用来确保数据库中的数据不会丢失。
The online backup and restore is a built-in mechanism provided to ensure no data is lost in corporate databases.
这个特性使DBA可以高枕无忧，因为数据库备份和恢复可以完全自动地进行。
This is the feature that enables DBAs to sleep soundly as database backup and recovery can be fully automated.
使用多种方法备份数据库，并仔细测试所有备份和恢复场景。
Use more than one method to back up your database, and test all backup and recovery scenarios carefully.
有一些其他的更迅速、有效的途径来实现这个目的，比如使用数据库备份和恢复实用工具。
There are faster and more efficient ways of doing that, such as using database backup and restore utility programs.
这将确保文件系统的正确性和恢复数据库备份中任何新的配置更改。
This will ensure the file system is correct and any new configuration changes are reverted in the database backup.
有些数据的复制(备份)数量越多，这些数据的保存、发现和恢复的机会就会越大。
The more copies - backups - there are of any piece of data, the greater the chances of its survival, discovery and retrieval.
我们假设您是一名DBA，您的工作是保持公司数据库持续正常运行，执行性能调节以及监督备份和恢复。
Let's say you're a dba-your job is to keep the company database up and running, to do performance tuning, and to oversee backup and recovery.
数据库备份和恢复方式的区别也增加了迁移的复杂性。
The differences in the way databases are backed up and recovered contribute to the complexity of migration.
我们来看看不同领域的一些工具，例如数据库创建和维护、网络、管理GUI、性能调优、数据移动和备份恢复工具。
We shall look at tools from different areas such as database creation and maintenance, network, administration GUI, performance tuning, data movement and backup-recovery tools.
表空间或数据库的恢复可以通过恢复备份映像和前滚来完成。
The restore for table Spaces or database can be done by restoring a backup image and rolling forward.
此外，对于XML方面来说，DB 2一些成熟的数据库服务已经扩展到了XML文档——备份和恢复服务，高可用性配置，等等。
Further, for the XML side of things, the mature database services of DB2 are extended to the XML documents — back-up and recovery services, high availability configurations, and so on.
比方说，修改和数据库相关的名称和路径可以使用DB2 的备份和恢复命令来完成。
For instance, changing the name and the path associated with a database can be accomplished using DB2’s backup and restore commands.
请参阅可靠实践文档：TM1备份和恢复指南，了解为 TM1 数据创建备份的更多细节。
Please refer to the Proven Practice Document: TM1 Backup and Recovery Guide for further details on creating a backup for TM1 Data.
应用推荐