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Data Structure

The logical database structure of CA IDMS SASO is strictly hierarchical (see Exhibit 5.2). This is true for both the primary and maintenance areas. The major difference between the two is in the relationship between subjects and related subjects. In the primary area, a bill of material exists. That is, subject relationships can be determined from subject and related subject lists. In the maintenance area, subject relationships can be determined from subject lists only.

Exhibit 5.2: CA IDMS SASO Data Structure Diagram