然而事实上，在实际数据变得可用之前，您不需要分配实际的内存——即可以将两个操作分离开来。
In fact, however, you needn't allocate actual memory until the actual data becomes available — you can separate the two operations.
当数据在易受攻击的环境中流动时，电话和手持设备的许多可用操作系统只能提供很少的甚至无安全性。
When data is flowing through a vulnerable environment, many of the available operating systems for phones and handheld devices offer little or no security.
典型的可用操作包括：向EIS添加新的业务数据、修改数据和获取数据。
Typical available operations include: add new business data to your EIS, modify data, and obtain data.
如果在此流程中出现任何错误，复制的数据对操作系统不可用，则灾难的影响将会加剧。
If anything goes wrong in this process and the replicated data is not available to the operating systems, then the impact of your disaster will continue to compound.
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.
此asynctoken类提供了一个位置，可用来为异步rpc操作设置额外的或标记(token)级的数据。
The AsyncToken class provides a place to set additional or token-level data for asynchronous RPC operations.
ParallelArray提供了一种不错的方法，可用于声明性地指定数据集上的筛选、处理和聚合操作，还方便自动并行化。
ParallelArray offers a nice way to declaratively specify filtering, processing, and aggregation operations on data sets, while also facilitating automatic parallelization.
您可以为每个域选择最有效的数据基础类型，以降低操作成本并为每个域提供正确的可用性级别。
You can select the most effective data base type for each domain to reduce operation cost and to provide the right level of availability for each domain.
通过将除info列之外的所有可用列映射到相应的结果列，指定这个数据流操作符的输出，如图10所示。
Specify the output of this data flow operator by mapping all available columns except the INFO column to corresponding result columns, as shown in Figure 10.
让数据更改操作留在with子句中，实际上便强加了一个非常自然的顺序，这样可用于解决冲突。
Keeping data change operations in the WITH clause imposes a very natural order which can be used to solve conflicts.
可用它(在将来的文章中)执行范围广泛的操作，包括创建数据库(如前所述)和在数据库内创建新项。
You can use it (and you will in future articles) to perform a wide range of operations, including creating a database (as you've already seen) and creating new items inside a database.
具有对远程会话的引用之后，该引用可用于所有操纵电话簿数据库信息的操作。
After you have a reference to the remote session, it can be used for all of the operations of manipulating phonebook database information.
该向导使用JDBC资源适配器确定哪些操作可用作数据库的一部分。
The wizard uses the JDBC resource adapter to determine what operations are available as part of the database.
备份操作可以在线完成，但恢复操作是离线的，而且其间数据库不能用，如果有可用性要求，那么这种情况是不可接受的。
The backup may be an online operation, but the restore is offline and the time that the database is unavailable may be unacceptable given your availability requirements.
如果在读的时候，数据尚未完全到达套接字，则线程将在读操作上阻塞，一直到数据可用。
If during a read, data has not completely arrived at the socket, the thread will block on the read operation until all the data is available.
许多实现都具有预定义的(数据流)操作，产品中所提供的这些操作是即时可用的。
Many of these implementations have predefined (data-flow) operations that are provided out-of-the-box with the products.
使用JDBCDMS，您可以从后端 JDBC数据源检索和操作数据，而不必编写将数据从SQL结果集转换为可用的业务对象所需的代码。
The JDBC DMS lets you retrieve and manipulate data from a back-end JDBC data source without having to write the code needed to transform data from an SQL result set into usable business objects.
有三种主要的信息集成模式可用于实现语义互操作性：数据联合、数据整合和企业应用集成（EAI）。
There are three major information integration patterns to achieve semantic interoperability: data federation, data consolidation and Enterprise Application Integration (EAI).
此类交互操作可用于将数据提交给服务器，或请求服务器执行计算并返回结果。
Such interactions can be used to submit data to a server or to request that a server perform a calculation and return the result.
先前做出的有关数据库方案、操作系统、服务器平台和程序设计语言的决策仍然可用并且可在以后再组合。
Decisions previously made regarding database schemas, operating systems, server platforms, and programming languages remain intact and viable for future recombinations.
操作下拉列表框中还有一些选项可用于处理数据或完善图表。
There are also options in the action drop-down box to work with the data or to refine the charts.
其中提供了各种各样的模块，可用于数据库连接、网络编程、操作系统服务和许多其他有价值的领域。
Modules are available for database connectivity, network programming, operating system services, and hundreds of other useful areas.
一个给定jvm中可用bean的完整清单在MBeans选项卡上列出，包括一些元数据和一个有限的用户界面来查看数据或执行操作。
The complete list of beans available within a given JVM is listed in the MBeans TAB, complete with some metadata and a limited user interface for seeing that data or executing those operations.
其他增强功能：CommunityEditions支持新的外观、其他可用性改进、基于组件的管理控制台，并支持附加的数据库和操作系统。
Other enhancements: Community Editions sports a new look and feel, other usability improvements, a component-based administrative console, and support for additional databases and operating systems.
DataWebServices可用于将数据库操作和存储过程公开为Web服务，而且不必编程。
Data Web services can be used to expose database operations and stored procedures as Web services without programming.
这些Workers可用于预取数据或执行其他预先操作，从而提供一个更加实时的UI。
The Workers can be used to prefetch data or perform other ahead-of-time operations to provide a much more lively UI.
Hyperic的核心产品——Hyperic HQ——提供了硬件和操作系统、虚机、数据库及应用服务器的可用性监测，其定位于Web基础架构之上。
Their core product, Hyperic HQ, provides availability monitoring for hardware and operating systems, virtual machines, databases and application servers, and is targeted at web infrastructure.
MBean方法也可以使用其他可以序列化的数据类型，但是这样做会造成互操作性问题，因为类文件也必须对JMX客户机可用。
MBean methods may also use other serializable data types, but doing so can create interoperability issues because the class files must be made available to the JMX client as well.
在处理那些可用行和列表示且通过命令(比如select和jion)操作的数据时，传统的分析和数据库方法表现非常优秀。
Traditional analytics and database methods are excellent at handling data that can easily be represented in rows and columns and manipulated by commands such as select and join.
read操作将获取post的ID，检索 post并使 post数据可用于视图。
The read action gets the ID of a post, retrieves the post and makes the post data available to the view.
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