The data architecture, as shown in Figure 2,
provides designers a venue to convey
* what data structures are going to be implemented,
* how that data is stored in each
* and how the data will propagate throughout the warehouse environment.
Four possible subsections to support your documentation of the data architecture follow.
Source:
http://www.information-management.com/issues/20041101/1012388-1.html?pg=2