Participation constraints:
There are two types of participation constraints:
Total Participation: Every Instance of the first Entity type must share with on or more instances of the relationship type with the other entity type.
Partial Participation: There exist an instance of the first entity type that don’t share an instance of the relationship type with the other entity type.
There are two types of participation constraints:
Total Participation: Every Instance of the first Entity type must share with on or more instances of the relationship type with the other entity type.
Partial Participation: There exist an instance of the first entity type that don’t share an instance of the relationship type with the other entity type.
