举个例子来说，这种机制可以用在外部配置过程的数据库访问或者服务调用地址。
This mechanism can be used, for example, to externally configure process's database access or service invocation address.
也就是，不是使用VFS技术去访问现有的外部资源，而是要将一个特殊用途的数据库(位于应用程序内部)当作一个完整的文件系统进行管理。
That is, rather than using VFS technology to access existing external resources, it manages a special-purpose database, internal to the application, as a complete filesystem.
连接器——提供对数据库和大型机等外部资源的访问。
Connectors — Provide access to external resources such as databases and mainframes.
该数据访问对象极其简单；它不连接任何外部资源(比如关系数据库)以获得Test实例。
This data access object is extremely simple; it does not connect to any external resources (such as relational databases) to obtain Test instances.
不同版本的J2EE应用程序组件(例如访问相同外部数据库的实体bean)在修改相同的数据表或数据记录的时候会存在同步问题。
Multiple versions of J2EE application components, such as entity beans that access the same external database, could have synchronization issues while modifying the same table or row.
当其他外部应用程序访问同样的数据库时，了解WebSphereApplicationServer将哪个隔离级置于它和该数据库的连接上是非常重要的。
Knowing what level of isolation WebSphere application Server puts on its connection to the database can be important if there are other external applications accessing the same database.
第二个例子是外部办公室将储存信息到工作组的数据库中，外部办公室的员工可以访问这个数据。
The second example is of a remote office where information is stored in a workgroup database within this remote office so that multiple local workers can access the data.
然而，现在的解决方案需要在生产环境中部署和访问限制到外部数据库通过建立一个虚拟的网络。
However, the solution now needs to be deployed in a production environment and access to the external database is to be restricted by setting up a Virtual Network.
系统采用ADO和DAO作为外部数据访问接口，实现属性数据与空间数据的连接和数据库信息的更新。
With ADO and DAO as database access interface, this system makes the connection between attribute data and spatial data, and the updating of database information come true.
系统采用ADO和DAO作为外部数据访问接口，实现属性数据与空间数据的连接和数据库信息的更新。
With ADO and DAO as database access interface, this system makes the connection between attribute data and spatial data, and the updating of database information come true.
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