根据Transformer模型需求，度量指标分组也可以在各个报告中创建，或者整合到一个查询中。
Groups of measures can be created in separate reports as well or consolidated in one query depending on the Transformer model requirements.
由于WrappingJDBCDriver用于多个(可能是不同的)数据库，因此按目标系统库进行划分是很重要的，这样收集的指标就可以按目标数据库进行分组了。
If the WrappingJDBCDriver is used for multiple (possibly different) databases, it is necessary to establish this demarcation so that the collected metrics can be grouped by the target database.
本文建立了统计分组和指标设计的函数模型及分析框架；
This paper has put forward a function model and analysis framework for statistical categorization and designation.
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