The data mart tier contains all the data marts, which are subsets of the data repository module, made simple enough for specific groups of end users to use in their data analysis activities.

数据集市层包含所有的数据集市，这些数据集市是数据存储库模块的子集，以便特定的终端用户组在其数据分析活动中使用起来足够简单。

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In this model, the business data warehouse is the collection of data repository databases (module), and the data marts are the databases from the data mart tier.

在该模型中，业务数据仓库是数据存储库数据库(模块)的集合，而数据集市则是数据集市层中的数据库。

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The operational style of MDM supports the consumption of master data by operational systems to perform transactions, and the MDM repository is considered the authoritative source of master data.

操作性风格的 MDM 支持操作性系统消费主数据以执行事务，而 MDM 存储库作为主数据的权威性数据源。

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If ThunderCloud Recruit is in fact the best repository of data, stats and video, and XOS charged Alabama less than another school, then the other school may not be able afford it or have access to a desired profile.

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