I use Django1.7 with Mezzanine. I create simple profile (according to Mezzanine documentation) stored in separate app \"profiles\":
class RoadmapProfile(mode
1- run python manage.py makemigrations
2- run python manage.py sqlmigrate - you will find migrationname in migration folder under appname (without '.py' extension of course)
3- copy all text of result # all sql commands that generated
4- go to your db ide and paste as new query and run it
now all changes are applied on your db