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.
清单12展示了DB 2LUW中的联机数据库备份和恢复方法。
Listing 12 demonstrates online database backup and recovery methods in DB2 LUW.
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.
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.
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.
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.
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.
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.
如果系统或媒体发生失败，您可以使用事务日志和第三方备份实用工具恢复数据库。
Then if a system or media failure occurs, you can use the transaction log and a third-party backup utility to recover your database.
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.
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.
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.
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.
换句话说，备份和恢复功能在数据库级执行。
In other words, the backup and restore functions are accomplished at the database level.
有许多向导(如图5所示)可以帮助DB 2DBA执行常见的任务，比如创建备份数据库映像和恢复以前的映像。
There are many wizards, as shown in Figure 5, to help new DB2 DBAs to perform common tasks, such as creating a backup database image and restoring previous images.
先备份数据库，然后用新的名称和/或路径恢复。
The database is backed up and then restored with a new name and/or target path.
离线策略应用到用于备份和恢复数据库映像的机器。
An offline policy is applied to a machine that is used for backing up and restoring database images.
在某些情况下，不允许使用某些备份和恢复组合，那么可以使用其他方法在DB 2数据库之间转移表。
In situations where certain backup and restore combinations are not allowed, you can move tables between DB2 databases using other methods.
DataStudioAdministrator为数据库管理员提供了一个有用的工具，以便他们执行备份和恢复策略中的定期备份。
Data Studio administrator provides database administrators with a useful tool to perform regularly scheduled backups as part of their backup and recovery strategy.
当一个数据库实用程序(例如备份、恢复、导出、导入和装载)启动时，才会按util_heap _ sz指定的大小分配全额的内存。
When a database utility is started, such as backup, restore, export, import and load, then the full amount specified by util_heap_sz is allocated.
当一个数据库实用工具(例如备份、恢复、导出、导入和装载)启动时，才会按util_heap _ sz指定的大小分配全额的内存。
When a database utility, such as backup, restore, export, import, and load, is started, then the full amount specified by util_heap_sz is allocated.
本文帮助现有的MySQL数据库管理员转移自己的技能，学习DB 2Express的备份和恢复功能。
This article serves as a skill transfer for existing MySQL database administrators to learn about DB2 Express-C edition for backup and recovery.
在DB 2Express - c中，数据库可以以两种模式进行备份和恢复。
There are two modes databases can be backed up and restored in DB2 Express-C.
一旦您有信心能够轻松备份和恢复数据，您就会有很多种方式使Grails符合遗留数据库中的非标准的命名约定。
Once you feel confident that you can easily back up and restore your data, you have a variety of ways of getting Grails to conform to the nonstandard naming conventions in your legacy databases.
最后，数据库和表空间的在线备份镜像将包括一组日志文件，在将备份镜像恢复到某个一致的时间点时，这些文件是必需的。
Finally, online backup images of databases and table Spaces will include the set of log files necessary to restore and recover the backup image to a consistent point in time.
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.
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.
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.
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