Distance Education; Virtual Database; Middleware; XML.
远程教育；虚拟数据库；中间件；xml。
This is because virtual database abstraction in Slice follows a composite design pattern.
这是因为Slice内的虚拟数据库抽象遵循的是复合设计模式。
The federation server is a virtual database with all of the capabilities of a relational database.
联合服务器是一个虚拟数据库，具有关系数据库的所有功能。
Access to heterogeneous databases is provided through requests expressed as queries on a canonical, virtual database.
通过将请求表达成在一个正规、虚拟的数据库上的查询来提供对异种数据库的访问。
Slice introduces the abstraction of a virtual database to encompass the underlying physical database partitions or shards.
Slice引入了抽象的虚拟数据库来绕过底层的物理数据库分区或划分。
Two main problems we solve are: establishment of the campus' virtual database; integration access heterogeneous data.
其中主要解决了两个问题：校园综合信息平台系统的建立和异构数据的集成访问。
Instead, administrators define a single virtual database image to provide programmers with transparent access to diverse data.
管理员可以定义一个单独的虚拟数据库镜像，为程序员提供对不同数据的透明的访问。
Data federation strives to leave data in its original location and to create what can be thought of as a virtual database.
数据联合力图将数据放在其原始位置上，并创建虚拟数据库。
Because DB2 II presents a virtual database image of remote data sources, we didn't need to write code for each of these activities.
因为DB 2II为远程数据源提供了一个虚拟的数据库映像，所以我们不需要为每个这样的活动编写代码。
SQLite's utilization of a virtual machine, the virtual Database Engine (VDBE), makes it easy to debug, modify, and extend SQLite's core.
SQLite通过利用虚拟机和虚拟数据库引擎(VDBE)，使调试、修改和扩展SQLite的内核变得更加方便。
The respective sorted results from each slice are merged and sorted again in memory by the virtual database before being presented to the application.
每个片各自排序了的执行结果被合并，并且在内存内由虚拟数据库再次进行排序，之后才会呈现给此应用程序。
You may decide that you no longer need the original source Domino database and that working with only the virtual database meets all of your needs.
可以决定不再需要原始源domino数据库，仅使用虚拟数据库就可以满足所有需要。
Using the advantages of mobile agent in distributed information processing, the paper proposes a new kind of virtual database module based-on mobile agent.
利用移动代理在分布式信息处理方面的优越性，本文提出了一种基于移动代理的虚拟数据库模型。
But because DB2 II presents a single-site, virtual database image of disparate data to programmers, I could use DB2 Alphablox's relational blox tags for my work.
但是因为DB 2II可以向程序员提供对不同数据的一站式的、可视化的数据库视图，因此我可以使用DB 2Alphablox的关系blox标签来进行我的工作。
For a JTA EntityManager, the JTA transaction is propagated to the underlying resource manager (i.e., the virtual database, which relays the transaction to physical databases).
对于JTAEntityManager, JTA事务被传递到底层的资源管理器(即虚拟数据库，由它将这个事务中继到物理数据库)。
Virtualized: Information Integrator provides a federated system to act as a virtual database which can transparently access any data, regardless of its location and SQL dialect.
虚拟化：Information Integrator提供了一个联邦系统来担当虚拟数据库，它能够透明地访问任何数据，不管自身的位置在哪里，也不管使用的是哪种SQL方言。
Federation takes you to the next level of information integration, allowing the DB2 federated system to act as a virtual database where remote objects can be queried like local tables.
联邦技术将您带到更高级别的信息集成，它允许DB 2联邦系统充当一个虚拟的数据库，使得对远程对象的查询和对本地表的查询一样简单。
The virtual database coordinates the execution of the queries on the physical databases and post-processes the results of the individual query in memory to prepare a consolidated result.
此虚拟数据库会协调这些查询在物理数据库上的执行，并会在内存内置后处理各个查询的结果用以准备一个合并结果。
Combined with enterprise information integration technology. this article advanced a standard integration of heterogeneous data sources that called virtual database model based on XML.
本文结合当前企业信息集成技术，提出了一种统一的异构数据源集成模型——基于XML的虚拟数据库模型。
And then it introduces the realization of the network resource database, which includes integrable ware database module, virtual database module, system running module and maintenance module.
进一步以《机械制图》课程为例介绍了网络资源库的具体实现，其中包括积件库、虚拟库、系统运行与维护等模块。
To provide a virtual database image to programmers, WebSphere Information Integrator administrators use wizards or sample SQL scripts to create a few federated database objects. These include.
为了向程序员提供虚拟的数据库界面，WebSphereInformation Integrator管理员使用向导或者示例sql脚本创建了几个联合的数据库对象，其中包括。
The text search engine runs in one of the database server-controlled virtual processes.
文本搜索引擎在数据库服务器控制的一个虚拟进程中运行。
The client connects to the primary database using the public network using a virtual IP address.
客户端使用一个虚拟ip地址，通过公共网络连接到主系统数据库。
This section provides information on the various virtual processors as provided by the IDS database.
此区域提供有关IDS数据库提供的各种虚拟处理器的信息。
Most competing cloud solutions are based on single instances of a database hosted within a virtual machine.
大多数与之竞争的云解决方案都基于托管在虚拟机中的数据库的单一实例。
The virtual cubes and the depending cubes must reside in the same database, and a virtual cube can be defined only using cubes from the same cube server.
虚拟数据集和及其子数据集必须位于相同的数据库中，并且仅能使用同一个数据集服务器中的数据集定义虚拟数据集。
Your virtual application can then connect to this existing database as opposed to creating its own.
您的虚拟应用程序可以连接到这个现有数据库，而不用创建自己的数据库。
This command will add 4 CPU virtual processors to the database server.
该命令将向数据库服务器添加4个CPU虚拟处理器。
The HA software provides a virtual IP address resource for database connections.
HA软件为数据库连接提供一个虚拟ip地址资源。
The HA software provides a virtual IP address resource for database connections.
HA软件为数据库连接提供一个虚拟ip地址资源。
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