A table Enrolments(TraineeID, CourseID, EnrolDate, CourseTitle) has the composite key (TraineeID, CourseID). CourseTitle depends only on CourseID. Which normal form is violated?
Une table Inscriptions(IDStagiaire, IDCours, DateInscription, TitreCours) a pour clé composite (IDStagiaire, IDCours). TitreCours ne dépend que d'IDCours. Quelle forme normale est enfreinte ?
Answers
ASecond normal form: a partial dependency on part of the keyLa deuxième forme normale : une dépendance partielle envers une partie de la clé
BFirst normal form, because the table has more than three columnsLa première forme normale, car la table a plus de trois colonnes
CThird normal form onlySeulement la troisième forme normale
DNone; the table is fully normalisedAucune ; la table est entièrement normalisée
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