title: getting database error no such table: crave_crave_data
body: <p>After sync db i updated the model.py file</p>
  
  <pre><code>class crave_data(models.Model):
      person = models.ForeignKey(User)
      book_name=models.CharField(max_length=1000, blank = True,null = True)
      author_name=models.CharField(max_length=1000, blank = True,null = True)
      publication_name=models.CharField(max_length=1000, blank = True,null = True)
      discription=models.TextField(blank = True,null = True)
      date= models.DateTimeField(auto_now_add=True, blank=True)
      def __unicode__(self):
          return self.post
  </code></pre>
  
  <p>i am using south. I used all commands of south migration still i am getting the same error.</p>
  
  <p>and i am not able to view the sqlite.db file also. sqlite.db file is not present over there.
  when i use sqlall i am getting only one table info "facebook_facebookuser" other two tables i am not able to view.
  used this also</p>
  
  <pre><code>manage.py schemamigration crave --initial
  manage.py migrate crave
  manage.py schemamigration app_name --auto
  </code></pre>
  
  <p>still problem not solved.
  and why its not creating the sqlite.db file after syncdb?
  Please help me out.</p>