Much discussion has been made of slowly changing dimensions in the data warehouse environment. In truth, the discussion has been generated by the advocates of multidimensional technology as they address the issues of star schemas, fact tables and multidimensional tables. However, the notion that data can change over time is valid one, and it is as applicable to the corporate information factory as it is to other data warehouse environments.
How then does the corporate information factory handle slowly changing dimensions or the more general case of changing data over time?
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