By definition, a data mart is a subset of a data warehouse designed for a specific group of users or a particular subject area.
根据定义，数据市场是数据仓库的一个子集，是专门针对特定的用户群或特定的主题领域设计的。
Each data mart can tackle an identifiable business problem or subject area, making it possible to calculate ROI.
每个数据集市都可以处理可识别的业务问题或主题领域，从而可以计算roi。
Describe the subject area of the data.
描述数据的主题领域。
The theories connected to the research area will be reviewed and presented in a conceptual framework, which will clarify the main subject matter and help in data collection.
与研究领域相关的理论将在概念框架上综述呈现，助你阐明主题及收集数据。
The theories connected to the research area will be reviewed and presented in a conceptual framework, which will clarify the main subject matter and help in data collection.
与研究领域相关的理论将在概念框架上综述呈现，助你阐明主题及收集数据。
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