prefetch_related_objects(model_instances, *related_lookups) [source]

create(**kwargs) A convenience method for creating an object and saving it all in one step. Thus:

using(alias) This method is for controlling which database the QuerySet will be evaluated against if you are using

class Avg(expression, output_field=FloatField(), **extra) [source] Returns the mean value

class Max(expression, output_field=None, **extra) [source] Returns the maximum value of the

delete() Performs an SQL delete query on all rows in the QuerySet and returns the number of objects deleted and

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

exclude(**kwargs) Returns a new QuerySet containing objects that do not match the given lookup parameters

sample By default, Variance returns the population variance. However, if sample=True, the return value

class Q [source] A Q() object, like an