Entity Framework constraint has the following properties.
End 1, End 2
The End roles (parent and child tables) of the constraint.
Multiplicity
Specifies the number of instances of parent or child entities that can participate in the relationship. Can accept the following values: 1 (One), 0..1 (Zero or One), * (Many).
Role
Determines the parent/child table of the constraint.
Constraint Set
The name of the constraint set that contains the constraint.
Delete Action
Defines behavior when deleting parent entities, having child entities. Cascade performs cascade deletion of child entities, Restrict restricts deletion, None does nothing.
Name
The name of the constraint.