how does django orm sqlite postgres code example

Example 1: django mysql settings

#add this settings in settings file

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.mysql', 
        'NAME': 'DB_NAME',
        'USER': 'DB_USER',
        'PASSWORD': 'DB_PASSWORD',
        'HOST': 'localhost',   # Or an IP Address that your DB is hosted on
        'PORT': '3306',
    }
}

Example 2: database setup in django

sudo apt install python3-dev libmysqlclient-dev default-libmysqlclient-dev