eERM attribute allocation diagram

Source object type

Relationship type (active)

Relationship type (passive)

Target object type

Possible number of connections

Attribute type group (111) (OT_ATTR_TYPE_GRP)

is attribute type group

has attribute type group (270) (CT_IS_ATTR_TYPE_GRP)

Entity type (17) (OT_ENT_TYPE)

Unique

Attribute type group (111) (OT_ATTR_TYPE_GRP)

is attribute type group

has attribute type group (270) (CT_IS_ATTR_TYPE_GRP)

Relationship type (11) (OT_RELSHP_TYPE)

Unique

COT attribute (179) (OT_COT_ATTR)

corresponds to

corresponds to (391) (CT_CORRES)

ERM attribute (19) (OT_ERM_ATTR)

Unique

Enumeration (175) (OT_ENUM)

has value

is value of (373) (CT_IS_VALUE)

Enumeration occurrence (171) (OT_COUNT_INST)

Unique

ERM attribute (19) (OT_ERM_ATTR)

belongs to

encompasses (269) (CT_BELONGS_TO_6)

Attribute type group (111) (OT_ATTR_TYPE_GRP)

Unique

ERM attribute (19) (OT_ERM_ATTR)

has

is assigned to (121) (CT_HAS_2)

Enumeration (175) (OT_ENUM)

Unique

ERM attribute (19) (OT_ERM_ATTR)

has

is assigned to (121) (CT_HAS_2)

ERM domain (20) (OT_ERM_DOM)

Unique

ERM attribute (19) (OT_ERM_ATTR)

has

is assigned to (121) (CT_HAS_2)

Measurement unit (176) (OT_UNIT)

Unique

ERM attribute (19) (OT_ERM_ATTR)

has

is assigned to (121) (CT_HAS_2)

Measurement unit number (185) (OT_UNIT_NUM)

Unique

ERM attribute (19) (OT_ERM_ATTR)

is describing for

is described by (78) (CT_IS_DESC_FOR_1)

Entity type (17) (OT_ENT_TYPE)

Unique

ERM attribute (19) (OT_ERM_ATTR)

is describing for

is described by (78) (CT_IS_DESC_FOR_1)

Relationship type (11) (OT_RELSHP_TYPE)

Unique

ERM attribute (19) (OT_ERM_ATTR)

is foreign key for

has foreign key (79) (CT_IS_FRGN_KEY_FOR_1)

Entity type (17) (OT_ENT_TYPE)

Unique

ERM attribute (19) (OT_ERM_ATTR)

is foreign key for

has foreign key (79) (CT_IS_FRGN_KEY_FOR_1)

Relationship type (11) (OT_RELSHP_TYPE)

Unique

ERM attribute (19) (OT_ERM_ATTR)

is primary key for

has primary key (80) (CT_IS_PRIM_KEY_FOR_1)

Entity type (17) (OT_ENT_TYPE)

Unique

ERM attribute (19) (OT_ERM_ATTR)

is primary key for

has primary key (80) (CT_IS_PRIM_KEY_FOR_1)

Relationship type (11) (OT_RELSHP_TYPE)

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

Measurement unit number (185) (OT_UNIT_NUM)

has

is assigned to (121) (CT_HAS_2)

ERM domain (20) (OT_ERM_DOM)

Unique

Measurement unit number (185) (OT_UNIT_NUM)

has

is assigned to (121) (CT_HAS_2)

Measurement unit (176) (OT_UNIT)

Unique