CASCADE [source] Cascade deletes. Django emulates the behavior of the SQL constraint ON DELETE

Field.unique_for_month Like unique_for_date, but requires the field to be unique with respect to the month.

class GenericIPAddressField(protocol='both', unpack_ipv4=False, **options) [source] An IPv4

Field.null If True, Django will store empty values as NULL in the database. Default is False

Field.is_relation Boolean flag that indicates if a field contains references to one or more other models for its functionality

ForeignKey.swappable Controls the migration framework’s reaction if this ForeignKey is pointing at a swappable

ForeignKey.related_name The name to use for the relation from the related object back to this one. It’s also the default value

ImageField.height_field Name of a model field which will be auto-populated with the height of the image each time the model

description A verbose description of the field, e.g. for the django.contrib.admindocs application.

Field.auto_created Boolean flag that indicates if the field was automatically created, such as the OneToOneField