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Customer Relationship Management Systems Handbook
will not meet the enterprise requirements regarding the analysis of customer
data, regarding these two characteristics of that data (see Exhibit 2):
1. Breadth (data spanning the organization)
2. Depth (level of granularity and volume)
While data marts by themselves are an incomplete response to corporate
CRM requirements, they can be essential and useful components of a data
warehouse solution if the following features are present:
The detail data is available in the warehouse to back up the data marts.
The end users have access to that data.
The data mart summaries are aggregated from ...