Case key in data mining , the element of a case by which the case is referenced within a case set Sql server的中心实例，用于管理其他实例转发给它的sql server代理事件。
With this capability , you can construct sophisticated layouts that adapt to your form s dimensions at run time 的其他实例。利用此功能，可以在运行时构造适应窗体尺寸的复杂布局。
The resulting instance can be used like any other instances of that class , although it may behave differently 可以像使用该类的任何其他实例一样使用得到的实例，虽然它的行为可能不同。
Service broker routing allows an application that uses service broker to move services to different instances Service broker路由允许使用service broker的应用程序将服务移到其他实例中。
A computer can run multiple instances of sql server concurrently , and each instance runs independently of other instances 一台计算机可同时运行多个sql server实例，每个实例独立于其他实例运行。
Meanwhile , other instances of the application can continue to dequeue and process messages in other conversation groups 同时，应用程序的其他实例可以继续将其他会话组中的消息移出队列并处理它们。
Each instance of the server program must be able to handle a portion of the work while others handle other portions 服务器程序的每一个实例都必须能够处理工作中的一部分，同时由其他实例处理其他部分。
They can run other instances of os 400 , possibly with different levels , or even radically different operating systems 它们可以运行os / 400的其他实例（或许具有不同的级别） ，或者甚至运行完全不同的操作系统。
This way , if the function or procedure crashes or terminates abnormally , it will not affect any of the other instance processes 这样，如果该函数或过程崩溃或者异常终止，也不会对其他实例进程产生任何影响。
Also , a database user can become orphaned after a database is restored or attached to a different instance of sql server 另外，当数据库还原或附加到sql server的其他实例之后，数据库用户也可能变为孤立用户。
