If you are a SQL programmer, learning recursive SQL techniques can be a boon to your productivity. A recursive query is one that refers to itself. I think the best way to quickly grasp the concept of ...

drop policy if exists "teachers_manage_own_classrooms" on public.classrooms; drop policy if exists "students_read_joined_classrooms" on public.classrooms; drop policy if exists ...

-- which triggers the same policy check again. -- Drop and recreate all policies that query profiles to prevent recursion DROP POLICY IF EXISTS "Admins can view all profiles" ON public.profiles; DROP ...