Yes you do have to work on your queries to keep them fast with growing complexity. Django also has a usable intermediate API to construct your queries, instead

Yes you do have to work on your queries to keep them fast with growing complexity. Django also has a usable intermediate API to construct your queries, instead of writing raw SQL. Nice feature to have if you don't want to commit to a specific database yet. And as already written above, a slow but correct page is preferable to a wrong page because you ORM is omitting related data.