Django's Auth System: Five Core Tables That Power User Permissions

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Django's built-in authentication framework relies on five core database tables — auth_user, auth_group, auth_permission, django_content_type, and two join tables — to manage users and access control. Every model in a Django project automatically receives four default permissions: add, change, delete, and view, all linked to models via the django_content_type table. Groups act as role containers, allowing developers to bundle permissions and assign them to multiple users at once, while individual users can also receive permissions directly. Custom permissions, such as publish_post, can be created programmatically for more granular access control. Developers are advised against modifying system-managed tables like django_content_type and should deactivate users via the is_active flag rather than deleting records to preserve data integrity.

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