用户始终没有在本地复制数据库。
e：提取复制数据库所需的DDL文件。
编程复制数据库时，数据库必须关闭。
To replicate a database programmatically, the database must be closed.
这个复制数据库是运行数据库一个完整副本。
The replica database is an exact copy of the operational database.
维持数据的一致性是复制数据库并发执行的关键。
How to keep data consistency is the major problem in distributed database concurrency system.
复制数据库中的Cognos报告机制也使用read帐号。
The Cognos reporting mechanism on the replica database also USES the read account.
由于您正在复制数据库，因此您不必先应用您的Rails迁移。
Because you are copying the database over, you do not have to apply your Rails migrations first.
在通知复制数据库更改的消息中可能包含数据的当前版本号或时间戳。
A message that is sent to replicate a database change may include the current version number or timestamp of the data.
用户read在生产数据库和复制数据库都需要使用的帐号。
User read is required on both the production and replica databases.
这款新工具引进了一系列新的IBM设计器用于创建、更改和复制数据库对象。
The new tooling introduces a new set of IBM designers to create, alter, and clone database objects.
DDL可被用来在另一个数据库中创建数据库对象，从而复制数据库结构。
These DDLs can then be used to create the database objects in another database to replicate the database structure.
复制数据库的通讯服务设施将实时更新了的数据库信息不断传送到工作站。
The real-time database updates are continually provided to the workstation through the replicated database communication services facilities.
因此，您执行查询和提取报告的复制数据库的配置是完成数据库迁移的关键部分。
Thus, the configuration of a replica database on which to run queries and extract reports should be a critical part of your database migration efforts.
这对Notes来说真正是一个性能杀手，对于通过电话线复制数据库的移动用户来说尤其如此。
This is a real performance killer in Notes, especially for mobile users who replicate their databases by phone line.
在CopyOptions屏幕上，指定希望复制数据库对象或数据，或者两者都复制。
On the copy Options screen, you can specify if you want to copy the database objects, data, or both.
如果您需要运行数据报告，那么您很可能会用一个只读复制数据库来减少主生产数据库的负载。
If you need to run reports against your data, then you very likely have a read-only replica database to reduce the load on your master production database.
您还可以复制数据库(一个主数据库，多个副本)，从而在多个CPU之间分担查询处理的负担。
You can also replicate a database (one master, many copies) to share the burden of query processing among many CPUs.
取决于该的应用程序体系结构的更改可能包括令人生畏任务如同步会话状态和跨服务器位置复制数据库事务。
Depending on the application, changing the architecture could include daunting tasks such as synchronizing session state and replicating database transactions across server locations.
用户在本地对复制数据库进行的操作也可返回到中心数据库，为数据收集和数据库备份提供了有效的手段。
The result that user has operated on the replicas may pull back to the center database, which provides an available means for data collection and database backup.
一旦向数据库添加了应用程序代码，就需要移动或复制数据库，以确保适当的应用程序逻辑是随数据一起移动的。
Once the application code has been added to the database, moving or copying the database ensures that the appropriate application logic is moved along with the data.
也可以在数据库系统没有离线的情况下执行离线备份，方法是当复制数据库目录的时候冻结系统（阻塞所有写操作）。
Offline backup can also be performed without bringing the database system offline by freezing the system (blocking all write operations) while copying the database directory.
在下面的例子中可以看到，无论何时使用db2relocatedb移动或复制数据库，都必须移动或复制该目录。
As you will see in the examples below, this directory must be moved or copied any time that a database is moved or copied using db2relocatedb.
通过按数据域复制数据库(使用数据库提供的复制机制)，操作人员可以创建能够进行单独管理和操作的全局分布的门户站点。
With database replication per data domain (using database provided replication mechanisms), operators can create globally distributed portal sites that are individually managed and operated.
可以使用ubik协议跨多个服务器机器来持续复制数据库，比如VLDB、ADB和PDB，以提高它们的可用性，以及共同承担复制站点间的访问负荷。
Ubik protocol helps to replicate databases such as VLDB, ADB and PDB consistently across multiple server machines to improve their availability and share access loads among replication sites.
该数据显示当前已修改并等待集群复制的数据库数量。
This statistic shows the current number of modified databases awaiting cluster replication.
基于数据库的复制的缺点是性能成本——数据库事务是昂贵的。
The downside of database-backed replication is the performance cost — database transactions are expensive.
它标记了要复制的数据库；用户可以取消选中该选项。
This marks the database for replication; users may deselect this option.
然后可以在各处使用或者复制该数据库。
This database can then be used/replicated all over the world.
RDBMS：用于复制的后端数据库。
复制指定的数据库对象。
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