FileField.upload_to This attribute provides a way of setting the upload directory and file name, and can be set in two ways

OneToOneField.parent_link When True and used in a model which inherits from another concrete

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

Field.db_index If True, a database index will be created for this field.

class FloatField(**options) [source] A floating-point number represented in Python by a float

ManyToManyField.through_fields Only used when a custom intermediary model is specified. Django will normally determine which

class DecimalField(max_digits=None, decimal_places=None, **options) [source] A fixed-precision

db_type(connection) [source] Returns the database column data type for the Field

ManyToManyField.symmetrical Only used in the definition of ManyToManyFields on self. Consider the following model:

value_to_string(obj) [source] Converts obj to a string. Used to serialize the