Studierende stehen vor dem LC und blicken lächelnd einer Kollegin mit einer Mappe in der Hand nach.

ERM Example No. 6

Recursive 1 : n Relationship

A Workbreakdown Structure (WBS) is a 1:n Hierarchy, where each Element is only subordinate of one superior Element.

Representation:

A Part (Part-#) has a Hierarchical Structure, which is represented as a connection to this Structure. Each Part, except those of the highest Hierarchy Level is assigned to exactly one Part of the next higher Hierarchy Level.