https://learn.microsoft.com/es-es/dotnet/api/system.data.uniqueconstraint?view=netframework-4.8.1
UniqueConstraint Class (System.Data) | Microsoft Learn
Represents a restriction on a set of columns in which all values must be unique.
class systemdatamicrosoftlearn
https://code.djangoproject.com/ticket/35374
#35374 (UniqueConstraint (and potentially other constraints) validation is not run when using a...
https://learn.microsoft.com/it-it/dotnet/api/system.data.uniqueconstraint?view=net-10.0&redirectedfrom=MSDN
UniqueConstraint Classe (System.Data) | Microsoft Learn
Rappresenta una restrizione per un set di colonne in cui tutti i valori devono essere univoci.
system dataclassemicrosoftlearn