Foreign key on delete arguments

class Artist(models.Model):
    name = models.CharField(max_length=10)

class Album(models.Model):
    artist = models.ForeignKey(Artist, on_delete=models.CASCADE)

class Song(models.Model):
    artist = models.ForeignKey(Artist, on_delete=models.CASCADE)
    album = models.ForeignKey(Album, on_delete=models.RESTRICT)

Source: docs.djangoproject.com

Similar codes

0 vote279 views1 answer
Python remove middle of string
Python
0 vote323 views1 answer
Sns how to change color if negative or positive
Python
0 vote341 views1 answer
Python euler
Python
0 vote311 views1 answer
What is kernel_initializer
Python
2 votes340 views3 answers
Standard deviation python
Python
6 votes329 views5 answers
Manage.py", line 12, in main raise importerror( importerror: couldn't import django. are you sure it's installed and available on your pythonpath environment variable? did you forget to activate a virtual environment
Python Django
6 votes294 views2 answers
Pygame size of image
Python
0 vote291 views1 answer
Python dictionary get ket
Python
22 votes308 views4 answers
Palindrome checker python
Python
0 vote355 views1 answer
Super().__init__(pos, model) in python
Python