Whether this is a self-referencing relationship
OptionallabelOptional label for the relationship
OptionalrelationshipRelationship type (e.g., 'one-to-many', 'many-to-one')
The field that creates this relationship (usually the FK field)
ID of the source node
OptionaltargetThe field in the target node (usually the PK field)
ID of the target node
Represents a link (relationship) between two nodes in the ERD.