After placing the DB2 unit on the topology diagram, rename the unit to FURNDB by hovering your mouse cursor over the unit and clicking the pencil icon.
在拓扑图中放置DB 2单元之后，通过将鼠标移到单元上并点击铅笔状的图标，来将单元重命名为FURNDB。
For example, you might rename a generic database unit to appear to be a MySQL database, as in Figure 1.
例如，您可能重命名一个通用数据库单元，以使其看起来是一个MySQL数据库，如图1所示。
If you use fully qualified names in your unit tests, the refactoring engine can update them whenever you rename a schema object.
如果在单元测试中使用完全限定的名称，则无论何时重命名架构对象，重构引擎都可以对它们进行更新。
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