Definicija: An association between two tables in which the primary key value of each record in the primary table corresponds to the value in the matching field or fields of one, and only one, record in the related table.
Definicija: An association between two tables in which the primary key value of each record in the primary table corresponds to the value in the matching field or fields of many records in the related table.
4frComité d'experts gouvernementaux pour la coordination des études a effectuer par les Etats membres en relation avec la proposition de décision du Conseil concernant l'instauration d'un système commun de tarification de l'usage des infrastructures de transtransport