Portals

Data Warehousing Review
Articles on data warehouse design and methodologies.
http://www.dwreview.com/

dataWarehouse.com
Community web site for data warehousing and business intelligence issues.
http://www.datawarehouse.com/

Datawarehousing.com
Strives to document data warehousing and data replication resources on the Internet including company links, directories, papers and articles, list server, and newsgroup.
http://www.datawarehousing.com/

DSSResources.com
Web-based knowledge repository of decision support systems information.
http://dssresources.com/

ITtoolbox Portal for Data Warehousing
Data warehousing community for IT professionals focusing on business intelligence, knowledge management, data mining and other aspects of data warehousing.
http://datawarehouse.ittoolbox.com/

Techie BI by Techieindex
Portal highlighting resources and tools to support Business Intelligence developers and customers.
http://www.techie.techieindex.com/ug/bi/index.jsp

Tek-Tips Forums - Data Warehousing
General discussion forum on data warehousing. Selling and recruiting forbidden.
http://www.tek-tips.com/threadminder.cfm?pid=353

TeradataForum
TDATA-L is a technical forum for the Teradata Database product line. Recruitment and product/service promotion is banned.
http://www.teradataforum.com/