1. from django.db import migrations, models
    
  2. 
    
  3. 
    
  4. class Migration(migrations.Migration):
    
  5.     dependencies = [("migrations", "0001_initial")]
    
  6. 
    
  7.     operations = [
    
  8.         migrations.DeleteModel("Tribble"),
    
  9.         migrations.RemoveField("Author", "silly_field"),
    
  10.         migrations.AddField("Author", "rating", models.IntegerField(default=0)),
    
  11.         migrations.CreateModel(
    
  12.             "Book",
    
  13.             [
    
  14.                 ("id", models.AutoField(primary_key=True)),
    
  15.                 (
    
  16.                     "author",
    
  17.                     models.ForeignKey("migrations.Author", models.SET_NULL, null=True),
    
  18.                 ),
    
  19.             ],
    
  20.         ),
    
  21.     ]