The mission that this article wants to solve is how to develop the OPC historical data access Server.
本文要解决的任务就是如何开发OPC历史数据服务器。
OPC historical data access Server provides a kind of standard mechanism of data access for the users who are interested in historical data.
OPC历史数据服务器提供了一种标准的历史数据访问机制给那些对历史数据感兴趣的用户。
You have no control over the application server or data access.
您无法控制应用服务器或数据访问。
The server side can perform database or file access, process the data, then format the data and return it back to the browser.
服务器端可以执行数据库或文件访问，处理数据，然后格式化数据，并将其返回给浏览器。
Applications can access relational data from a server and match up the result in a browser in a unique and declarative approach.
应用程序可以访问服务器中的关系数据，并在浏览器中以独特的声明式方法对结果进行协调。
Once the hybrid NAS/SAN server grants access permission，clients connect directly to the SAN disk array for high-speed file data transfer.
一旦混合的NAS/SAN服务器授予存取权限，客户机就直接连到SAN磁盘阵列，进行高速文件数据传输。
The redaction server can access an ECM system and use its data store as a repository.
编校服务器可访问一个ECM系统，并使用它的数据存储作为存储库。
The database server can use CLE to store data in an encrypted format and provide password based access.
数据库服务器可以使用CLE 来以加密的格式存储数据，并提供基于密码的访问。
When supporting write access to this integrated view, the federation server must synchronize the manipulation of data in the various sources into a logical unit of work.
支持对此集成视图的写访问时，联合服务器必须将各个源中的数据操作同步到逻辑工作单元中。
The ability to efficiently manage concurrent access is determined by the performance characteristic of the data federation server as well as the integrated source servers.
有效管理并发访问的能力由数据联合服务器和所集成的源服务器的性能特征决定。
When data are contiguous, the time used to access data on the disk is minimized and the database server can read data faster.
当数据连续时，用于访问磁盘上数据的时间最少，数据库服务器可以更快地读取数据。
If an unauthorized user is allowed to gain physical access to the server, there is a potential for him to obtain secured data or to do severe damage to the server.
如有未授权的用户被允许对服务器进行物理访问，那么他有可能盗取了加密数据或对服务器进行严重的破坏。
To compute the data access time, you need to know the probabilities for the data existing in the near-cache, in the server cache, and in the database.
要计算数据访问时间，您需要了解数据存在于近缓存中、服务器缓存中、以及数据库中的概率。
Network-based virtualization is a file level computer data storage server connected to a computer network providing data access to multiple clients.
基于网络的虚拟化采用连接计算机网络的文件级计算机数据存储服务器，它们为多个客户机提供数据访问。
Client applications or components use JDBC or SQLJ to access disparate data managed by an EII server, which transparently integrates heterogeneous data and returns it in a tabular structure.
客户机应用程序或组件使用JDBC或SQLJ访问EII服务器管理的异类数据，该服务器透明地集成不同种类的数据，并以表结构返回这些数据。
Data Server tier, part of data Grid, buffers database access by caching objects in-memory for higher performance.
数据服务器层是数据网格的组成部分，通过在内存中缓存对象来缓冲数据库访问，以实现更高的性能。
It also offers direct access to Information Server meta data.
它还提供了对Informationserver元数据的直接访问。
If I modify the values in these fields and submit the form, the data is stored on the server for later access by the actual Web site.
如果我修改这些字段中的值并提交该表单，数据就会存储于服务器以备实际的Web站点日后访问。
All of the data access designers now fully support the upcoming SQL Server 2008.
所有的数据访问设计器完全支持即将推出的SQL Server 2008。
NOTE: When you are migrating the first server (Cdr1), users can continue to access and manipulate data on Cdr2 and Cdr3.
注意：迁移第一个服务器cdr1时，用户可以继续访问并操作Cdr2和Cdr3上的数据。
Users can access the forms and submit data back to a Web service or other server process.
用户可以访问表单并将数据提交给Web服务或其他服务器处理。
Single Sign On (SSO), which helps manage data server access from a centralized authentication service using Kerberos Authentication protocol
单点登录 (SSO)，这有助于使用Kerberos身份验证协议通过集中的身份验证服务管理数据服务器访问
YQL provides the data abstraction and caching that allows applications to access data on the server or on the local SQLite.
YQL提供了数据得抽象和缓存，允许应用程序访问服务器上或本地SQLite上的数据。
The solution is to use a 32-bit DB2 client with 32-bit applications such as WebSphere Application Server, WebSphere MQ, and so on, to access data on 64-bit DB2 instances.
其解决的办法是使用带有32位应用程序（比如WebSphereApplicationServer、WebSphere MQuse等等）的 32 位DB2客户机来访问 64 位 DB2实例上的数据。
If the server needs to access internal data and be accessible from the Internet, it is recommended that the server be placed on the internal network and that you use a reverse proxy.
如果服务器需要访问内部数据，并且能通过Internet访问该服务器，那么建议将服务器放在内部网络中，并使用一个反向代理服务器。
Lotus Domino Web Access Full mode currently merges the document design and the data at the server.
LotusDominoWebAccessFull模式目前在服务器上合并文档设计和数据。
EII, by contrast, is a data integration server that provides real-time data access, typically represents heterogeneous data as tables, and usually employs a SQL-based API.
与SDO形成对照，EII是提供实时数据访问的数据集成服务器，通常用表来表示不同种类的数据，而且它使用基于SQL的API。
With these five operations, you can access the discovered data in a remote TADDM server and retrieve the change history of the applications on application server.
有了这5个操作，您就可以访问远程TADDM服务器上的已发现数据，检索ApplicationServer上的应用程序的变更历史。
It provides strongly-typed LINQ data access experience over relational databases, including direct, efficient access to SQL Server.
它在关系数据库之上提供了强类型的LINQ数据访问体验，包括对SQL Server直接高效的访问。
They generate the datastore access code on the server with Clojure Macros. The same data structures are used on the client and the server.
他们可以通过ClojureMacros在服务器端生成数据访问代码。
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