Question d’entretien chez Siemens
Can the primary (or foreign) key be empty?
Réponse à la question d'entretien
Utilisateur anonyme
7 oct. 2017
They cannot be empty. * Empty strings are not taken into account.
Can the primary (or foreign) key be empty?
Utilisateur anonyme
They cannot be empty. * Empty strings are not taken into account.