Extra Helpings of Data: Prudential's federated data warehouse

http://www.zdnet.com/pcweek/news/0706/06data.html

This article explains Prudential attempt to find a middle ground between the two predominant data warehousing architectures: highly centralized enterprise data warehouses and dispersed, stand-alone data marts. (It happens to use the acronym LOB, which means "line of business")

Questions:

1. What are some of the information challenges that the data warehouse is designed to meet?

2. What is the problem with having a single, enterprise-wide data warehouse?

3. What is the relationship between the data warehouse project and the six types of information systems?

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