Field.db_tablespace The name of the database tablespace to use for this field’s index, if this field

FieldFile.size The result of the underlying

Options.app_label If a model is defined outside of an application in INSTALLED_APPS, it must declare which app

class F [source] An F() object represents the value of a model field or annotated

select_related(*fields) Returns a QuerySet that will “follow” foreign-key relationships, selecting additional related-object

update_or_create(defaults=None, **kwargs) A convenience method for updating an object with the given kwargs, creating

class TimeField(auto_now=False, auto_now_add=False, **options) [source] A time, represented

asc() Returns the expression ready to be sorted in ascending order.

Field.one_to_many Boolean flag that is True if the field has a one-to-many relation, such as a GenericRelation

class Variance(expression, sample=False, **extra) [source] Returns the variance of the data