要使用演示 DB2 的新的在线模式变更功能的示例，首先需要创建一个用作必要基础设施的样例数据库。
In order to use the examples that demonstrate the new online schema change capabilities in DB2, you first need to create a sample database that will serve as the required infrastructure.
然而，许多变更需要重启测试服务器才能实现；请见 WebSphere Studio 的在线帮助中的“何时需要重启测试服务器”。
Many changes, though, require restarting the test server; see "When the test server requires restarting" in WebSphere Studio's online help.
在线状态（Online Presence） 允许您快速变更您在 Jazz 中的在线显示状态。
Online Presence allows you to quickly change your online presence status in Jazz.
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