earliest(field_name=None) Works otherwise like latest() except the direction is changed.

Model.validate_unique(exclude=None) [source] This method is similar to clean_fields()

rel_db_type(connection) [source] New in Django

Field.choices An iterable (e.g., a list or tuple) consisting itself of iterables of exactly two items (e.g. [(A, B), (A

Model.get_FOO_display() For every field that has

as_vendorname(self, compiler, connection) Works like as_sql() method. When an expression is compiled by compiler

class Trunc(expression, kind, output_field=None, tzinfo=None, **extra) [source] Truncates

first() Returns the first object matched by the queryset, or None if there is no matching object. If the QuerySet

class BinaryField(**options) [source] A field to store raw binary data. It only supports

get_db_prep_value(value, connection, prepared=False) [source] Converts value