OperationalError at /admin/store/customer/ no such table: store_customer code example

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

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

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

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

rm db.sqlite3