There seems to be a big wall between the worlds of BW and "traditional EDW" (whatever it means).

一直以来，SAP BW和传统的企业级数据仓库似乎就是两个不同的世界，之间隔着一道墙。

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They anoint one data warehouse as the system of record or build a new enterprise data warehouse (EDW) from scratch.

企业选择一个数据仓库或者从头创建一个新的企业级数据仓库。

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The issue in China Pacific Insurance Company (CPIC) building enterprise data warehouse (EDW) project against the background of the BI system in the meta-data management and application of research.

本课题在中国太平洋保险公司（CPIC）建设企业数据仓库（EDW）的项目背景下对BI系统中的元数据管理和应用作了研究。

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In fact, Hadoop is an evolving solution platform, just as an EDW is a solution platform.

FORBES: How to Avoid a Hadoop Hangover

We all believe that the traditional enterprise data warehouse (EDW) will evolve from being relational to non-relational within five to 10 years.

FORBES: A Mind Blowing Big Data Experience: Notes From Strata 2013

In fact, Hadoop is the very heart of the big data revolution and is the core of the next-generation EDW in the cloud.

FORBES: How to Avoid a Hadoop Hangover