考虑一家公司的总部在纽约，而数据仓库在圣何塞。
Consider a company with the head office in New York and a data warehouse in San Jose.
数据仓库最重要的特性是数据集成，而数据仓库最重要的用途是信息数据呈现。
The most important feature of a data warehouse is data integration, while the most important purpose of a data warehouse is informational data presentation.
数据集市运行的大小从几兆到几千兆字节不等，而数据仓库通常从几千兆到几百万兆字节。
A data mart can run in size from megabytes to gigabytes whereas data warehouses usually run from gigabytes to terabytes.
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