Relationship has

Card of relationship has

Entity 1

entity type

Name

has

Entity 2

attribute combination type

Code

entity_type_has_attribute_combination_type

Comment

 

Dependent Role

attribute combination type -> 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 combination type.
Each attribute combination type must have one and only one entity type.


List of relationship joins of the relationship has

Parent Attribute

Child Attribute

logical data model_code

logical data model_code

entity type code

entity type code