./manage.py dumpdata > db.json
./manage.py dumpdata app_name[.table_name] --indent 2 --exclude ... > ...
./manage.py loaddata foo.json
./manage.py loaddata fixture_name # app_name/fixtures/foo.json
./manage.py makemigrations connection
./manage.py makemigrations
./manage.py migrate
./manage.py compilemessages
./manage.py shell < ./foo.py