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。
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。
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。
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。
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。
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。
For example, you create a new virtual application, drag and drop the Enterprise application component and a Database component and link them together.
例如，创建一个新的虚拟应用程序，拖放企业应用程序组件和数据库组件，并将它们链接在一起。
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。
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。
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。
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。
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。
Just as a CPU runs multiple operating-system processes to service multiple users, a database server virtual processor runs multiple threads to service multiple SQL client applications.
正如一个cpu允许多个操作系统进程来服务多个用户一样，一台数据库服务器虚拟处理器也可以运行多个线程来为多个SQL客户机应用程序提供服务。
Its Elastic Compute Cloud (EC2), now joined by storage, queuing, database, and other options, allowed anyone to fire up a virtual machine, for an hour or forever.
它的可伸缩计算云程序（EC2），现在联合了存储，存储队列，数据库和其他选择功能，可以允许每一个人建造出一台虚拟的仪器，不管这台机器仅工作一小时还是永久工作下去。
As discussed in the previous section, we create a virtual shard map for taking care of future requirements of database scaling.
如上一节所讨论的，我们创建一个虚拟碎片映射来处理数据库缩放的4个需求。
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。
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。
After this process, a previously empty Domino database may contain millions of new data notes, all of which are virtual and were created from existing external data.
在这个过程之后，先前空的Domino数据库可能包含数百万个新数据注释，所有这些注释都是虚拟的，并且都是从现有外部数据创建而来的。
In our environment, all computers on the network — real and virtual — need to be registered in a database, which we will refer to as our Address database.
在我们的环境中，所有联网计算机—真实的和虚拟的—都需要在数据库中注册，该数据库作为Address数据库。
If you are running a database such as Oracle, virtual memory does not get released until you recycle your database.
如果您运行数据库(如oracle)，那么直到您清空数据库缓存，才会释放虚拟内存。
A virtual collection could consist of a virtual image for a Web server and another virtual image for a database server when both are used together.
一个虚拟馆藏资源应该由一个Web服务器虚拟图像和另一个数据库服务器虚拟图像构成，当这两个同时使用时。
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。
After you publish, the resource is available as a table or as a stored procedure within a database under the Virtual View Manager data Services node, as shown in Figure 7.
发布之后，资源可以作为VirtualViewManagerDataServices节点的数据库中的表格或存储过程使用，如图7所示。
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)。
You've augmented your virtual application to use an Existing Database component over a Database component.
您已经扩展了虚拟应用程序，从而可以使用Database组件之上的Existing Database 组件。
As a virtual disk, DRBD provides a flexible model that a variety of applications can use (from file systems to other applications that can rely on a raw disk, such as a database).
作为一个虚拟磁盘，DRBD提供一个供各种应用程序使用的灵活模型(从文件系统到依赖于一个原始磁盘的其他应用程序，比如数据库)。
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 amount of virtual Shared memory that the database server allocates for a sort depends on the number of rows to be sorted and the size of the row, and whether PDQPIORIDY is set for the server.
数据库服务器分配给排序的虚拟共享内存的数量取决于要进行排序的行数、每一行的大小以及是否为服务器设置了PDQPIORIDY。
For example, a virtual portal is configured for each tenant with a different look-and-feel and unique database schema elements are offered to each tenant.
例如，虚拟门户为每个租户提供不同的外观和感觉以及独特的数据库模式元素。
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