Model example to understand queryset operations

medium_queryset_evaluation_caching_model.py

from django.db import models

class Blog(models.Model):
    name = models.CharField(max_length=100)
    tagline = models.TextField()
    
    def __str__(self):
        return self.name

class Entry(models.Model):
    blog = models.ForeignKey(Blog, on_delete=models.CASCADE)
    headline = models.CharField(max_length=255)
    body_text = models.TextField(blank=True)

    class Meta:
        default_related_name = 'entries'

    def __str__(self):
        return self.headline