Summary tables are required in a data warehouse for fast query processing and to allow users to drill up and down into the facts.
在数据仓库中需要汇总表，来实现快速查询，并允许用户在事实表中钻入钻出。
Summary tables are an important part of creating a high-performance data warehouse.
汇总表是创建高性能数据仓库的重要部分。
A well-designed data warehouse has a pyramid of summary tables, each one containing more detail until you arrive at the fact table, at the bottom of the pyramid.
一个设计良好的数据仓库拥有由大量汇总表，形成一个“金字塔”，每个汇总表都包含更多细节，直到金字塔底部的事实表。
Ideally, the structure of the data warehouse offers a summary table for any question that business users want to ask.
理想情况下，数据仓库的结构提供一个针对业务用户想问的所有问题的汇总表。
In fact, I see IWA replacing the need for many of the summary tables I design in a data warehouse.
事实上，我们已经看到，IWA取代了我在数据仓库中设计的汇总表中的许多需求。
At last, we have carried on the summary to the full text, and proposed the data warehouse in the logistics distribution system.
最后对全文进行了总结，并提出数据仓库在物流配送系统应用中的展望。
At last, we have carried on the summary to the full text, and proposed the data warehouse in the logistics distribution system.
最后对全文进行了总结，并提出数据仓库在物流配送系统应用中的展望。
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