Relationship contains

Card of relationship contains

Entity 1

country

Name

contains

Entity 2

address

Code

country_contains_address

Comment

 

Dependent Role

address -> country

Entity 1 -> Entity 2 Role Cardinality

0,n

Entity 2 -> Entity 1 Role Cardinality

1,1

Dominant Role

<None>

Assertion

Each country may have one or more address.
Each address must have one and only one country.


List of relationship joins of the relationship contains

Parent Attribute

Child Attribute

ISO 3166-1 alpha-2 code

country