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。

Each data mart can tackle an identifiable business problem or subject area, making it possible to calculate ROI.

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数据仓库(data warehousing)处理对于数据仓库(data warehouse)或数据集市的开发、实现和操作的管理。

Data warehousing deals with managing the development, implementation, and operation of a data warehouse or data mart.

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从数据集市中经常选用的数据送入更小的数据库(叫数据体)，进行密集处理。

Often selected data from a data mart is fed into a smaller database called a data cube for intensive processing.

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