django 创建model并同步至数据库

INSTALLED_APPS = [  
  "django.contrib.admin",  
  "django.contrib.auth",   
  "django.contrib.contenttypes",   
  "django.contrib.sessions",   
  "django.contrib.messages",   
  "django.contrib.staticfiles",  
  "brands.apps.BrandsConfig"，
  "appName",
  ]

 python manage.py makemigrations1

python manage.py migrate
# 多数据库
python manage.py migrate --database=db1

#数据导出
python manage.py dumpdata app1 --database=db1 > app1_fixture.json
python manage.py dumpdata app2 --database=db2 > app2_fixture.json
python manage.py dumpdata auth > auth_fixture.json   
 
#数据库导入
python manage.py loaddata app1_fixture.json --database=db1
python manage.py loaddata app2_fixture.json --database=db2