eERM attribute allocation diagram - Assignment relationships

Source object type

Relationship type (active)

Relationship type (passive)

Target object type

Possible number of connections

Enumeration (175) (OT_ENUM)

has value

is value of (373) (CT_IS_VALUE)

Enumeration occurrence (171) (OT_COUNT_INST)

Unique

Generalization type (23) (OT_GNRL_TYPE)

differentiates according to value of

is characteristic for (268) (CT_DIFF)

ERM attribute (19) (OT_ERM_ATTR)

Unique