Relationship has

Card of relationship has

Entity 1

delivery

Name

has

Entity 2

observed agent delivery

Code

delivery_has_observed_agent_delivery

Comment

 

Dependent Role

observed agent delivery -> delivery

Entity 1 -> Entity 2 Role Cardinality

0,n

Entity 2 -> Entity 1 Role Cardinality

1,1

Dominant Role

<None>

Assertion

Each delivery may have one or more observed agent delivery.
Each observed agent delivery must have one and only one delivery.


List of relationship joins of the relationship has

Parent Attribute

Child Attribute

reporting reference date

reporting reference date