CODE EXAMPLE FOR PYTHON

fetching data from multiple tables using related name in django

class Student(models.Model):
    sid = models.BigIntegerField(primary_key=True)
    nm = models.CharField(max_length=20, blank=True, null=True)
    subject = models.ForeignKey("Subject", related_name="student", blank=True, null=True)

class Subject(models.Model):
    sub = models.CharField(max_length=30, blank=True, null=True)