What about the addition of features just for the heck of it - new stuff that is not strictly driven by new hardware?
关于那些只是为了好玩而加入的功能——这些新东西的研发,严格来说,都不是由硬件的需求来驱动的。
At some point in the future, the DBA may want to create a new table for separation of application data, but this is strictly a logical and semantic requirement and is not required by the database.
以后的某个时候,DBA可能希望创建一个新的表来分隔应用程序数据,但这仅仅是一个逻辑和语义需求,不是数据库的要求。
Note that a new PDM is not strictly necessary, because the artifacts can be added to an existing model.
注意,新的PD M不是必要的,因为工件可以添加到现有的模型中。
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