Save this string if you intend to add additional database maps to your applications.
如果用户打算为应用程序增加其它数据库映射，则保存该字符串。
Future updates will introduce additional database categories and other useful features.
未来的更新将引入额外的数据库类等实用功能。
Plus, if the XML message is updated, no additional database design or application changes are needed.
另外，即使更新了XML消息，也不需要再设计数据库或更改应用程序。
Future column installments will show you how to run Derby in both models and provide additional database insights.
未来的专栏文章会介绍如何在这两种模型下运行Derby，并提供附加的数据库深入介绍。
Several database operations can be executed in parallel, but additional database connections speed up the application only to a point.
虽然一些数据库操作可以并行执行，但是增加额外的数据库连接只能将应用程序提速到某一点。
You can do additional database management, such as performing a reorg on Tivoli Enterprise Console tables, when the tables undergo numerous changes.
还可以进行其他数据库管理，如在对表进行了大量更改时对TivoliEnterpriseconsole表执行reorg命令。
Each database driver that implements the PDO interface has the option of exposing additional database-specific features as regular extension functions.
实现pdo接口的每个数据库驱动程序可以选择公开附加的数据库专用特性作为标准扩展功能。
DPF can maintain consistent query performance as the table grows by providing the capability to add more processing power in the form of additional database partitions.
DPF可以通过增加数据库分区来提高处理能力，因此，随着表的增长，仍然可以保持较高的查询性能。
Informix Growth Edition gives you additional database functionality, including unlimited er and grid cluster nodes of any type to send or receive data updates within the cluster.
Informix GrowthEdition为您提供附加的数据库功能，包括任何类型的没有限制的ER和网格集群节点，以便在集群内发送或接收数据更新。
Additional database update strategies need to be considered when using more than one cell for this type of update, because the cell running in production will not be aware of the new database schema.
当对这种类型的升级使用多个单元时，需要考虑其他数据库更新策略，因为在生产中运行的单元将不会识别新的数据库架构。
Every additional index that you define on a table adds to the costs associated with your database.
在一个表上定义的每个额外索引都将增加您的数据库关联成本。
Push the additional metadata to the temporary metadata database.
将附加的元数据加入临时元数据库。
You can then load it again later to continue where you left off, all without having to use additional scripting or database access.
以后可以重新加载进来并在原来的地方继续，不需要使用任何额外的脚本或者数据库访问。
For a database that has table Spaces of more than one page size, additional buffer pools with matching page sizes need to be created.
对于具有大于一个页面大小的表空间的数据库而言，需要创建具有匹配页面大小的附加缓冲池。
Create few additional rollback segments to handle the database activities.
创建少数附加回滚段来处理数据库活动。
Each additional agent requires some resource overhead that is allocated at the time the database manager is started.
每个额外的代理程序都需要一些资源开销，这些开销在启动数据库管理器时会分配给代理程序。
The database statistics hold information about connection times and aggregate additional statistics for each individual statement.
数据库的统计值持有有关连接次数的信息，并聚合每个单独语句的额外统计值。
The user IDs used to connect and perform the binary deploy from the source server to the target server require certain DB2 database administration authorities as well as additional RACF privileges.
连接源服务器和目标服务器以及执行从源服务器到目标服务器的二进制部署时所使用的用户ID，需要拥有某些DB2数据库管理权限以及附加的RACF 特权。
When subsequent account POIDs are required, they will be allocated immediately from this reserved block, eliminating the need for additional remote database transactions.
当接下来还需要帐户POID时，服务会立即从这个保留的块中予以分配，这样就减少了额外远程数据库事务的需要。
This allows database tuning to be performed without concern for unknown additional workload.
这样，无需关心未知的额外工作负载就可以执行数据库调优。
Even worse, the situation continues to degrade upon postback, at which time additional redundant database calls may be made.
更糟的是，回发时情况会恶化，此时可能发生额外的冗余数据库调用。
Additional details on the database are provided in the "Methods used for compiling the urban outdoor air pollution database".
数据库的额外细节由“收集城市室外空气污染检测的方法”提供。
We could include other evidence for a connection by either including additional structured data, such as database tables that show which people worked together on movies, or by deeper text analysis.
还可以包含其他证据，这可以通过包含其他结构化数据（比如用数据库表记录哪些人为同一部电影工作过），或者通过进行更深入的文本分析。
If you require additional scalability and more advanced database server features you can deploy the same PHP applications (with very minor changes) to use a DB2 UDB server instead.
如果您需要附加的可伸缩性以及更多的高级数据库服务器功能，那么可以部署相同的PHP应用程序(通过极其少量的修改)来使用DB 2UDB服务器。
Each additional server means more CPUs, more memory, and more disks for your partitioned database.
每多一个服务器，就意味着将有更多的CPU、内存和更多的磁盘用于分区数据库。
Note that the daemon's interactions with the database must not trigger additional authentication attempts by the database.
注意，这个守护进程与数据库的交互必须避免触发数据库进行其他身份验证尝试。
An additional advantage is the storage of the internal IDs instead of the full EPCs in the database.
这个组件的另一个优点是在数据库中存储内部ID而不是完整的EPC。
There can be no concurrent users (the application has exclusive access to the database files), but there are no additional threads nor TCP connection overhead.
不能存在并发用户(应用程序独占地访问数据库文件)，但因此也没有额外的线程和TCP连接开销。
Support for additional relational database systems may be added in future releases.
将来的版本中可能添加对其他关系数据库系统的支持。
Start with an additional table to add to the existing database schema, as shown in Listing 6.
首先，在已有数据库模式中添加一个表，如 清单6 所示。
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