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

Options.select_on_save Determines if Django will use the pre-1.6

Options.abstract If abstract = True, this model will be an abstract base class

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

class ExtractYear(expression, tzinfo=None, **extra) [source] lookup_name

values(*fields) Returns a QuerySet that returns dictionaries, rather than model instances, when used as an iterable

Field.editable If False, the field will not be displayed in the admin or any other

prefetch_related(*lookups) Returns a QuerySet that will automatically retrieve, in a single batch, related objects

Model.delete(using=DEFAULT_DB_ALIAS, keep_parents=False) [source] Issues an SQL DELETE

GenericIPAddressField.protocol Limits valid inputs to the specified protocol. Accepted values are 'both' (default)