This will get you started but is by no means a full guide on query optimization, https://arctype.com/blog/postgresql-query-plan-anatomy/ https://arctype.com/blo

This will get you started but is by no means a full guide on query optimization, https://arctype.com/blog/postgresql-query-plan-anatomy/ https://arctype.com/blog/postgresql-query-plan-anatomy/. There's also a fair number of django posts on this blog.