# All You Need To Know About Prefetching in Django

DevFeed: [All You Need To Know About Prefetching in Django](<https://devfeed.tech/articles/all-you-need-to-know-about-prefetching-in-django-33888.md>)

Original publisher: [Read original article](<https://hakibenita.com/all-you-need-to-know-about-prefetching-in-django>)

Author: Haki Benita

Published: 2017-04-28T21:00:00Z

Content type: tutorial

Language: en

Sources: [Haki Benita](<https://devfeed.tech/sources/haki-benita.md>)

Topics: [Django](<https://devfeed.tech/topics/django.md>), [Query (disambiguation)](<https://devfeed.tech/topics/query.md>), [JOIN](<https://devfeed.tech/topics/join.md>)

Tags: [articles](<https://devfeed.tech/tags/articles.md>), [django](<https://devfeed.tech/tags/django.md>), [join](<https://devfeed.tech/tags/join.md>), [many-to-many](<https://devfeed.tech/tags/many-to-many.md>), [models](<https://devfeed.tech/tags/models.md>), [orm](<https://devfeed.tech/tags/orm.md>), [performance](<https://devfeed.tech/tags/performance.md>), [query](<https://devfeed.tech/tags/query.md>)

## AI overview

A tutorial on using Django prefetching to reduce database queries when retrieving related data, especially across many-to-many relationships. It explains the N+1 query problem, compares joins with prefetching, and describes how prefetched results are cached on objects.

## Source excerpt

A rundown of all the ways you can use Prefetch to speed up queries in Django.