cached and not cached queries

cached.py

# Create the query filtering users with email myemail@gmail.com
users = User.objects.get(email="myemail@gmail.com")
users.name   # Hit the database and retrive the name value
users.name   # cached version, no database access

# Create the query filtering teams named tigers
team = Team.objects.get(name="tigers")
team.users.all()   # query performed
team.users.all()   # query performed again