Mapping Cardinalities

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Mapping Cardinalities

The ternary relationship of Figure 2.13 could be replaced by a pair of binary relationships, as shown in Figure 2.22.

Figure 2.22: Representation of Figure 2.13 using binary relationships

However, there is a distinction between the two representations:

Page created and maintained by Osmar R. Zaï ane
Last Update: Sun Sep 10 17:02:35 PDT 1995