title: How to synchronize tables in Django?
body: <p>In my database I want to synchronize two tables. I use auth_user(Default table provided by Django) table for registration and there was another table user-profile that contain entities username, email, age etc. How to autometically upadate the columns username and email in user-profile according to updation in auth_user table. </p>
  
  <pre><code>from django.contrib.auth.models import User
  
  class profile(models.Model):
      username = models.CharField(max_length = 30)
      email  = models.EmailField()
      age = models.PositiveIntegerField()
      auth_user_id = models.ForeignKey(User) 
  </code></pre>