I give a plug to to PostgreSQL as the base for a variety of data
warehousing products in a blog article, ParAccel Excels By Tapping
Experience and Open Source, at
http://www.intelligententerprise.com/blog/archives/2008/06/how_paraccel_ex.html
Seth
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Seth Grimes Alta Plana Corp, analytical computing & data management
Intelligent Enterprise magazine (CMP), Contributing Editor
grimes(at)altaplana(dot)com http://altaplana.com 301-270-0795