Relationship classifies

Card of relationship classifies

Entity 1

entity type

Name

classifies

Entity 2

attribute

Code

entity_type_classifies_attribute

Comment

 

Dependent Role

attribute -> entity type

Entity 1 -> Entity 2 Role Cardinality

0,n

Entity 2 -> Entity 1 Role Cardinality

1,1

Dominant Role

<None>

Assertion

Each entity type may have one or more attribute.
Each attribute must have one and only one entity type.


List of relationship joins of the relationship classifies

Parent Attribute

Child Attribute

logical data model_code

logical data model_code

entity type code

entity type code