OperationalError at django code example

Example 1: django.db.utils.OperationalError: no such table:

python manage.py makemigrations
python manage.py migrate

Example 2: django.db.utils.OperationalError: no such table:

find . -path "*/migrations/*.py" -not -name "__init__.py" -delete

find . -path "*/migrations/*.pyc"  -delete