上面的概念同样适用于数据操作。
两个并发事务应不能够对同一数据操作。
Two concurrent transactions should not be able to operate on the same data.
确保数据操作是安全的。
需要在数据操作的各时间点同步多个加载进程。
The multiple loading processes need to be synchronized at various points during the data operation.
数据联合的很多实现具有受限的数据操作功能。
Many implementations of the data federation pattern have limited capabilities to manipulate data.
图4中的设置触发一个取元数据操作，如下所示。
The Settings in figure 4 trigger a metadata fetch as follows.
宏利用这种事实，在求值之前将代码作为数据操作。
Macros exploit this fact by manipulating code as data before evaluating it.
服务器处理所有的数据访问，执行数据操作并输出结果。
Their servers handle access to any data sources, perform the data manipulations, and then output the results.
另外，本文提供三个用于复杂XML数据操作的存储过程。
Additionally, this article supplies three stored procedures for more complex operations on XML data.
在需要真正的数据操作时，xml库的价值是不可估量的。
XML libraries are invaluable when true data manipulation is required.
catch块中，包括清单3所示的数据库元数据操作。
Catch block, including the database metadata operations shown in Listing 3.
在解释添加数据操作之前，看一下清单14中的代码。
Before explaining the push operation, however, take a look at the code in Listing 14.
这一灵活性完全归功于DB 2自动优化数据操作请求的能力。
All this flexibility is attributable to DB2's capability to optimize data manipulation requests automatically.
元数据浏览器只显示适用于用户选择的数据操作的对象和字段。
The metadata browser displays only the objects and fields that are applicable to the user-selected data operations.
数据定义语言(DDL)和数据操作语言(DML)。
Data Definition Language (DDL) and Data Manipulation Language (DML).
最有吸引力候选方案之一是聚合数据操作 —排序、搜索和汇总。
One of the most attractive candidates for doing so is aggregate data operations — sorting, searching, and summarizing.
Bind文件由TXSeriesLWI内部使用，用于数据操作。
Bind file is used by TXSeries LWI internally for data manipulation.
XQuery为XML文档中的数据操作提供了一种强大的语法。
XQuery provides a strong grammar for the manipulation of data inside XML documents.
创建、访问和维护这些数据分组的服务构成了所述体系结构的数据操作层。
The services that create, access and maintain these data groupings constitute the data manipulation layer of the described architecture.
将数据操作逻辑放入到数据访问服务或过程中可减少业务逻辑对数据源的依赖性。
Placing the data manipulation logic into a data access service or procedure makes the business logic less dependent on the source of the data.
您将能够把高级的数据操作逻辑联结到活动的输入和输出，并且能够指定通知机制。
You will be able to associate advanced data manipulation logic to the input and output of activities and specify notification mechanisms.
具有更加严格的项目类的存储库会将元数据操作限制到项目类内部的属性范围内。
Repositories with more rigid item classes will restrict metadata operations to those properties within the item class.
正如您将从我前一篇文章所回忆的一样，分配组让XFS并行执行多个元数据操作。
As you'll recall from my previous article, allocation groups let XFS perform multiple metadata operations in parallel.
数据操作服务(在下方的层中)从物理存储库中提取数据，并且语义服务将该数据转换为信息。
The data manipulation services (in the lower layer) extract data from the physical repositories, and semantic services turn this data into information.
数据操作服务是处理逻辑，其直接操作数据值和那些值的表示形式，以便进行存储、传输或表示。
Data manipulation services are processing logic that directly manipulates data values and the representation of those values for storage, transport or presentation purposes.
这些服务定义并使用数据操作层元数据，例如各个数据库位置、模式、规则、连接、用户ID和密码等等。
They define and use the data manipulation layer metadata, such as various database locations, schemas, rules, connections, user IDs and passwords, and so on.
真正让它成为一项独特技术的地方在于它不需要任何人为的数据操作，NetBase的搜索结果是完全自动生成的。
What makes this a truly unique technology is that rather than requiring any data manipulation from humans, Netbase's search results are completely automated.
我们在选择服务、操作、数据类型和参数的名称时有一个指导原则：希望最大化服务的易用性。
We have one guiding principle in the choice of names for services, operations, data types and parameters: we want to maximize the consumability of our service.
但如果把投入写操作系统的精力用来推行数据标准，那些理想主义者应该会离他们的理想更接近。
But if the same effort in writing operating systems were put into marketing data standards, the idealists would be a step closer to their better world.
但如果把投入写操作系统的精力用来推行数据标准，那些理想主义者应该会离他们的理想更接近。
But if the same effort in writing operating systems were put into marketing data standards, the idealists would be a step closer to their better world.
应用推荐