django.db.models.sql.subqueries

module documentation

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Query subclasses which provide extra functionality beyond simple data retrieval.

Class	`AggregateQuery`	Take another query as a parameter to the FROM clause and only select the elements in the provided list.
Class	`DeleteQuery`	A DELETE SQL query.
Class	`InsertQuery`	Undocumented
Class	`UpdateQuery`	An UPDATE SQL query.