{"id":12531,"date":"2024-09-03T10:00:41","date_gmt":"2024-09-03T04:30:41","guid":{"rendered":"https:\/\/www.placementpreparation.io\/blog\/?p=12531"},"modified":"2025-02-27T12:56:58","modified_gmt":"2025-02-27T07:26:58","slug":"django-interview-questions-for-freshers","status":"publish","type":"post","link":"https:\/\/www.placementpreparation.io\/blog\/django-interview-questions-for-freshers\/","title":{"rendered":"Top Django Interview Questions for Freshers"},"content":{"rendered":"

Are you preparing for your first Django interview and wondering what questions you might face? Understanding the key Django interview questions for freshers can give you more clarity.<\/p>

This blog is here to help you get ready with practical questions that test your real-world problem-solving skills. We’ve gathered some of the most common basic Django interview questions that freshers often encounter.<\/p>

With this guide, you’ll be well-prepared to tackle these Django interview questions and answers for freshers and make a strong impression in your interview.<\/p>

\"fsd<\/a><\/p>

Practice Django Interview Questions and Answers<\/h2>

Here are the top 50 Django interview questions for freshers with answers:<\/p>

1. How do you create a new Django project?<\/h3>

Answer:<\/strong><\/p>

Use the django-admin startproject<\/strong> command followed by the project name to create a new Django project.<\/p>

\n

django-admin startproject myproject<\/p>\n<\/div><\/div>

2. How do you start a new Django app within a project?<\/h3>

Answer:<\/strong><\/p>

Use the python manage.py startapp<\/strong> command followed by the app name to create a new app within your project.<\/p>

\n

python manage.py startapp myapp<\/p>\n<\/div><\/div>

3. How do you run the Django development server?<\/h3>

Answer:<\/strong><\/p>

Use the python manage.py<\/strong> runserver command to start the Django development server.<\/p>

\n

python manage.py runserver<\/p>\n<\/div><\/div>

4. How do you configure your Django app to connect to a database?<\/h3>

Answer:<\/strong><\/p>

Modify the DATABASES<\/strong> setting in the settings.py<\/strong> file of your project to include the database engine, name, user, password, host, and port.<\/p>

\n

DATABASES = {
\n‘default’: {
\n‘ENGINE’: ‘django.db.backends.postgresql’,
\n‘NAME’: ‘mydatabase’,
\n‘USER’: ‘myuser’,
\n‘PASSWORD’: ‘mypassword’,
\n‘HOST’: ‘localhost’,
\n‘PORT’:<\/p>\n<\/div><\/div>

5. How do you create database migrations in Django?<\/h3>

Answer:<\/strong><\/p>

Use the python manage.py makemigrations<\/strong> command to create new migrations based on the changes detected in your models.<\/p>

\n

python manage.py makemigrations<\/p>\n<\/div><\/div>

6. How do you define a model in Django?<\/h3>

Answer:<\/strong><\/p>

Create a class that inherits from models.Model<\/strong> and define fields as class attributes.<\/p>

\n

from django.db import models<\/p>\n

class Author(models.Model):
\nname = models.CharField(max_length=100)
\nage = models.IntegerField()<\/p>\n<\/div><\/div>

7. How do you create a one-to-many relationship in Django models?<\/h3>

Answer:<\/strong><\/p>

Use a ForeignKey<\/strong> field in one model to reference another model.<\/p>

\n

class Book(models.Model):
\ntitle = models.CharField(max_length=200)
\nauthor = models.ForeignKey(Author, on_delete=models.CASCADE)<\/p>\n<\/div><\/div>

8. How do you perform a simple query to retrieve all objects of a model?<\/h3>

Answer:<\/strong><\/p>

Use the all()<\/strong> method on the model’s manager to retrieve all objects.<\/p>

\n

authors = Author.objects.all()<\/p>\n<\/div><\/div>

9. How do you filter objects in Django based on a condition?<\/h3>

Answer:<\/h3>

Use the filter()<\/strong> method on the model’s manager with keyword arguments representing the filter criteria.<\/p>

\n

young_authors = Author.objects.filter(age__lt=30)<\/p>\n<\/div><\/div>

10. How do you retrieve a single object from a model using a primary key?<\/h3>

Answer:<\/strong><\/p>

Use the get()<\/strong> method with the primary key as a keyword argument.<\/p>

\n

author = Author.objects.get(pk=1)<\/p>\n<\/div><\/div>

11. How do you create a simple view that returns an HTTP response?<\/h3>

Answer:<\/strong><\/p>

Define a function in your views.py<\/strong> file that takes an HttpRequest<\/strong> object as an argument and returns an HttpResponse<\/strong>.<\/p>

\n

from django.http import HttpResponse<\/p>\n

def index(request):
\nreturn HttpResponse(“Hello, world!”)<\/p>\n<\/div><\/div>

12. How do you create a view that renders a template?<\/h3>

Answer:<\/strong><\/p>

Use the render()<\/strong> function to return an HttpResponse<\/strong> object with the rendered template.<\/p>

\n

from django.shortcuts import render<\/p>\n

def index(request):
\nreturn render(request, ‘index.html’)<\/p>\n<\/div><\/div>

13. How do you pass context data to a template from a view?<\/h3>

Answer:<\/strong><\/p>

Pass a dictionary as the third argument to the render()<\/strong> function, where the keys represent variable names in the template.<\/p>

\n

def index(request):
\ncontext = {‘name’: ‘John’}
\nreturn render(request, ‘index.html’, context)<\/p>\n<\/div><\/div>

14. How do you handle 404 errors in Django?<\/h3>

Answer:<\/strong><\/p>

Use the get_object_or_404()<\/strong> function to retrieve an object or raise a Http404<\/strong> exception if the object does not exist.<\/p>

\n

from django.shortcuts import get_object_or_404<\/p>\n

def detail(request, pk):
\nauthor = get_object_or_404(Author, pk=pk)
\nreturn render(request, ‘detail.html’, {‘author’: author})<\/p>\n<\/div><\/div>

15. How do you redirect to another view in Django?<\/h3>

Answer:<\/strong><\/p>

Use the redirect()<\/strong> function to return an HttpResponseRedirect<\/strong> to a specified URL.<\/p>

\n

from django.shortcuts import redirect
\ndef my_view(request):
\nreturn redirect(‘index’)<\/p>\n<\/div><\/div>

16. How do you create a Django form based on a model?<\/h3>

Answer:<\/strong><\/p>

Use the ModelForm<\/strong> class to create a form that automatically includes fields from the specified model.<\/p>

\n

from django import forms
\nfrom .models import Author<\/p>\n

class AuthorForm(forms.ModelForm):
\nclass Meta:
\nmodel = Author
\nfields = [‘name’, ‘age’]\n<\/p><\/div><\/div>

17. How do you manually validate a form in Django?<\/h3>

Answer:<\/strong><\/p>

Call the is_valid()<\/strong> method on the form instance to check if the form data is valid, and use the errors<\/strong> attribute to inspect any validation errors.<\/p>

\n

def my_view(request):
\nform = AuthorForm(request.POST)
\nif form.is_valid():
\n# Process form data
\nform.save()
\nelse:
\nprint(form.errors)<\/p>\n<\/div><\/div>

18. How do you handle file uploads in Django forms?<\/h3>

Answer:<\/strong><\/p>

Use the FileField<\/strong> or ImageField<\/strong> in your form and handle file uploads using request.FILES<\/strong>.<\/p>

\n

class UploadForm(forms.Form):
\nfile = forms.FileField()<\/p>\n

def upload_view(request):
\nif request.method == ‘POST’:
\nform = UploadForm(request.POST, request.FILES)
\nif form.is_valid():
\nhandle_uploaded_file(request.FILES[‘file’])
\nreturn HttpResponse(“File uploaded successfully”)
\nelse:
\nform = UploadForm()
\nreturn render(request, ‘upload.html’, {‘form’: form})<\/p>\n<\/div><\/div>

19. How do you display form validation errors in a template?<\/h3>

Answer:<\/strong><\/p>

Use the {{ form.field_name.errors }}<\/strong> template tag to display validation errors for a specific field.<\/p>

\n

{% if form.name.errors %}
\n<ul>
\n{% for error in form.name.errors %}
\n<li>{{ error }}<\/li>
\n{% endfor %}
\n<\/ul>
\n{% endif %}<\/p>\n<\/div><\/div>

20. How do you prepopulate a form with existing data in Django?<\/h3>

Answer:<\/strong><\/p>

Pass an instance of the model to the form’s instance<\/strong> parameter when instantiating the form.<\/p>

\n

author = Author.objects.get(pk=1)
\nform = AuthorForm(instance=author)<\/p>\n<\/div><\/div>

21. How do you use template inheritance in Django?<\/h3>

Answer:<\/strong><\/p>

Use the {% extends %}<\/strong> tag to inherit from a base template and the {% block %}<\/strong> tag to define content blocks.<\/p>

\n

<!– base.html –>
\n<!DOCTYPE html>
\n<html>
\n<head>
\n<title>{% block title %}My Site{% endblock %}<\/title>
\n<\/head>
\n<body>
\n{% block content %}{% endblock %}
\n<\/body>
\n<\/html><\/p>\n

<!– index.html –>
\n{% extends “base.html” %}<\/p>\n

{% block title %}Home{% endblock %}<\/p>\n

{% block content %}
\n<h1>Welcome to the Home Page<\/h1><\/p>\n<\/div><\/div>

22. How do you include one template inside another in Django?<\/h3>

Answer:<\/strong><\/p>

Use the {% include %}<\/strong> tag to include another template within the current template.<\/p>

\n

{% include “header.html” %}<\/p>\n<\/div><\/div>

23. How do you loop through a list in a Django template?<\/h3>

Answer:<\/strong><\/p>

Use the {% for %}<\/strong> tag to iterate over a list and display each item.<\/p>

\n

<ul>
\n{% for author in authors %}
\n<li>{{ author.name }}<\/li>
\n{% endfor %}
\n<\/ul><\/p>\n<\/div><\/div>

24. How do you apply filters to variables in Django templates?<\/h3>

Answer:<\/strong><\/p>

Use the |<\/strong> character followed by the filter name to apply filters to variables.<\/p>

\n

<p>{{ author.name|upper }}<\/p><\/p>\n<\/div><\/div>

25. How do you display a default value for a variable in a Django template?<\/h3>

Answer:<\/strong><\/p>

Use the default<\/strong> filter to provide a fallback value if the variable is not defined.<\/p>

\n

<p>{{ author.bio|default:”Bio not available” }}<\/p><\/p>\n<\/div><\/div>

26. How do you create a simple API view using Django REST Framework?<\/h3>

Answer:<\/strong><\/p>

Use the APIView<\/strong> class and define get()<\/strong>, post()<\/strong>, put()<\/strong>, and delete()<\/strong> methods to handle requests.<\/p>

\n

from rest_framework.views import APIView
\nfrom rest_framework.response import Response<\/p>\n

class HelloWorld(APIView):
\ndef get(self, request):
\nreturn Response({“message”: “Hello, world!”})<\/p>\n<\/div><\/div>

27. How do you serialize a Django model in Django REST Framework?<\/h3>

Answer:<\/strong><\/p>

Create a serializer class that inherits from serializers.ModelSerializer<\/strong> and define the fields to be serialized.<\/p>

\n

from rest_framework import serializers
\nfrom .models import Author<\/p>\n

class AuthorSerializer(serializers.ModelSerializer):
\nclass Meta:
\nmodel = Author
\nfields =<\/p>\n<\/div><\/div>

28. How do you handle authentication in Django REST Framework?<\/h3>

Answer:<\/strong><\/p>

Use built-in authentication classes such as BasicAuthentication<\/strong>, SessionAuthentication<\/strong>, or TokenAuthentication<\/strong>.<\/p>

\n

from rest_framework.authentication import TokenAuthentication<\/p>\n

class MyView(APIView):
\nauthentication_classes = [TokenAuthentication]\n…<\/p>\n<\/div><\/div>

29. How do you create a viewset in Django REST Framework?<\/h3>

Answer:<\/strong><\/p>

Create a viewset class that inherits from ModelViewSet<\/strong> and specify the queryset and serializer class.<\/p>

\n

from rest_framework import viewsets
\nfrom .models import Author
\nfrom .serializers import AuthorSerializer<\/p>\n

class AuthorViewSet(viewsets.ModelViewSet):
\nqueryset = Author.objects.all()
\nserializer_class = AuthorSerializer<\/p>\n<\/div><\/div>

30. How do you handle pagination in Django REST Framework?<\/h3>

Answer:<\/strong><\/p>

Use the built-in pagination classes like PageNumberPagination<\/strong> and configure them in the settings or directly in the view.<\/p>

\n

from rest_framework.pagination import PageNumberPagination<\/p>\n

class MyPagination(PageNumberPagination):
\npage_size = 10<\/p>\n

class AuthorViewSet(viewsets.ModelViewSet):
\nqueryset = Author.objects.all()
\nserializer_class = AuthorSerializer
\npagination_class = MyPagination<\/p>\n<\/div><\/div>

31. How do you create a custom user model in Django?<\/h3>

Answer:<\/strong><\/p>

Inherit from AbstractBaseUser<\/strong> and PermissionsMixin<\/strong>, and define the required fields and methods.<\/p>

\n

from django.contrib.auth.models import AbstractBaseUser, BaseUserManager, PermissionsMixin<\/p>\n

class CustomUserManager(BaseUserManager):
\ndef create_user(self, email, password=None, **extra_fields):
\nuser = self.model(email=email, **extra_fields)
\nuser.set_password(password)
\nuser.save()
\nreturn user<\/p>\n

class CustomUser(AbstractBaseUser, PermissionsMixin):
\nemail = models.EmailField(unique=True)
\nname = models.CharField(max_length=100)<\/p>\n

objects = CustomUserManager()<\/p>\n

USERNAME_FIELD = ’email’
\nREQUIRED_FIELDS = [‘name’]\n<\/p><\/div><\/div>

32. How do you implement user registration in Django?<\/h3>

Answer:<\/strong><\/p>

Create a form for user registration, validate the input, and save the new user using the custom or default user model.<\/p>

\n

class RegisterForm(forms.ModelForm):
\npassword = forms.CharField(widget=forms.PasswordInput)<\/p>\n

class Meta:
\nmodel = CustomUser
\nfields = [’email’, ‘name’, ‘password’]\n<\/p>

def register(request):
\nif request.method == ‘POST’:
\nform = RegisterForm(request.POST)
\nif form.is_valid():
\nuser = form.save(commit=False)
\nuser.set_password(form.cleaned_data[‘password’])
\nuser.save()
\nreturn redirect(‘login’)
\nelse:
\nform = RegisterForm()
\nreturn render(request, ‘register.html’,<\/p>\n<\/div><\/div>

33. How do you implement login functionality in Django?<\/h3>

Answer:<\/strong><\/p>

Use Django’s built-in authenticate()<\/strong> and login()<\/strong> methods to validate the user and create a session.<\/p>

\n

from django.contrib.auth import authenticate, login<\/p>\n

def login_view(request):
\nif request.method == ‘POST’:
\nemail = request.POST[’email’]\npassword = request.POST[‘password’]\nuser = authenticate(request, email=email, password=password)
\nif user is not None:
\nlogin(request, user)
\nreturn redirect(‘home’)
\nreturn render(request, ‘login.html’)<\/p>\n<\/div><\/div>

34. How do you restrict access to a view to authenticated users only?<\/h3>

Answer:<\/strong><\/p>

Use the login_required<\/strong> decorator to restrict access to authenticated users.<\/p>

\n

from django.contrib.auth.decorators import login_required<\/p>\n

@login_required
\ndef my_view(request):
\nreturn render(request, ‘my_view.html’)<\/p>\n<\/div><\/div>

35. How do you implement password reset functionality in Django?<\/h3>

Answer:<\/strong><\/p>

Use Django’s built-in password reset views and forms, and configure the email backend to send reset emails.<\/p>

\n

from django.contrib.auth.views import PasswordResetView<\/p>\n

class MyPasswordResetView(PasswordResetView):
\ntemplate_name = ‘password_reset.html’<\/p>\n<\/div><\/div>

36. How do you create custom middleware in Django?<\/h3>

Answer:<\/strong><\/p>

Create a class that implements __call__<\/strong> or process_request<\/strong> and process_response<\/strong> methods.<\/p>

\n

class MyCustomMiddleware:
\ndef __init__(self, get_response):
\nself.get_response = get_response<\/p>\n

def __call__(self, request):
\nresponse = self.get_response(request)
\nreturn response<\/p>\n<\/div><\/div>

37. How do you add custom middleware to a Django project?<\/h3>

Answer:<\/strong><\/p>

Add the middleware class path to the MIDDLEWARE<\/strong> setting in settings.py<\/strong>.<\/p>

\n

MIDDLEWARE = [
\n‘django.middleware.security.SecurityMiddleware’,
\n‘django.contrib.sessions.middleware.SessionMiddleware’,
\n…
\n‘myapp.middleware.MyCustomMiddleware’,
\n]\n<\/p><\/div><\/div>

38. How do you modify the request object in middleware?<\/h3>

Answer:<\/strong><\/p>

Override the process_request<\/strong> method to modify the request object before passing it to the view.<\/p>

\n

def process_request(self, request):
\nrequest.custom_attribute = ‘value’<\/p>\n<\/div><\/div>

39. How do you modify the response object in middleware?<\/h3>

Answer:<\/strong><\/p>

Override the process_response<\/strong> method to modify the response object before returning it to the client.<\/p>

\n

def process_response(self, request, response):
\nresponse[‘Custom-Header’] = ‘Value’
\nreturn response<\/p>\n<\/div><\/div>

40. How do you handle exceptions in Django middleware?<\/h3>

Answer:<\/strong><\/p>

Use the process_exception<\/strong> method in your middleware to handle exceptions raised by views.<\/p>

\n

def process_exception(self, request, exception):
\n# Log the exception or handle it in some way
\nreturn HttpResponse(“An error occurred”)<\/p>\n<\/div><\/div>

41. How do you use signals to perform actions after a model is saved?<\/h3>

Answer:<\/strong><\/p>

Connect a signal handler to the post_save<\/strong> signal of the model.<\/p>

\n

from django.db.models.signals import post_save
\nfrom django.dispatch import receiver<\/p>\n

@receiver(post_save, sender=Author)
\ndef after_author_saved(sender, instance, **kwargs):
\n# Perform an action
\nprint(f”Author {instance.name} was saved.”)<\/p>\n<\/div><\/div>

42. How do you disconnect a signal in Django?<\/h3>

Answer:<\/strong><\/p>

Use the disconnect()<\/strong> method to remove a signal handler.<\/p>

\n

post_save.disconnect(after_author_saved, sender=Author)<\/p>\n<\/div><\/div>

43. How do you create a custom signal in Django?<\/h3>

Answer:<\/strong><\/p>

Use the Signal<\/strong> class to define a custom signal and connect handlers to it.<\/p>

\n

from django.dispatch import Signal<\/p>\n

my_signal = Signal()<\/p>\n

def my_handler(sender, **kwargs):
\nprint(“Signal received”)<\/p>\n

my_signal.connect(my_handler)
\nmy_signal.send(sender=None)<\/p>\n<\/div><\/div>

44. How do you ensure that a signal handler runs only once for a particular instance?<\/h3>

Answer:<\/strong><\/p>

Use a flag or check the created<\/strong> parameter in the post_save<\/strong> signal handler to ensure the code runs only for newly created instances.<\/p>

\n

@receiver(post_save, sender=Author)
\ndef after_author_saved(sender, instance, created, **kwargs):
\nif created:
\n# Perform action only for new instances
\nprint(f”New author {instance.name} was created.”)<\/p>\n<\/div><\/div>

45. How do you handle database transaction issues with signals?<\/h3>

Answer:<\/strong><\/p>

Use the transaction.on_commit()<\/strong> function to delay the signal handler until after the transaction is committed.<\/p>

\n

from django.db import transaction<\/p>\n

@receiver(post_save, sender=Author)
\ndef after_author_saved(sender, instance, **kwargs):
\ntransaction.on_commit(lambda: print(f”Author {instance.name} was saved.”))<\/p>\n<\/div><\/div>

46. How do you create a simple unit test for a Django view?<\/h3>

Answer:<\/strong><\/p>

Use the Django TestCase<\/strong> class to create a test case and define a test method to check the view’s response.<\/p>

\n

from django.test import TestCase
\nfrom django.urls import reverse<\/p>\n

class MyViewTest(TestCase):
\ndef test_index_view(self):
\nresponse = self.client.get(reverse(‘index’))
\nself.assertEqual(response.status_code, 200)<\/p>\n<\/div><\/div>

47. How do you test a Django model’s method?<\/h3>

Answer:<\/strong><\/p>

Create a test case in which you instantiate the model, call its method, and verify the result.<\/p>

\n

class AuthorTest(TestCase):
\ndef test_author_age(self):
\nauthor = Author(name=’John Doe’, age=30)
\nself.assertEqual(author.age, 30)<\/p>\n<\/div><\/div>

48. How do you mock external services in Django tests?<\/h3>

Answer:<\/strong><\/p>

Use the unittest.mock<\/strong> module to mock external services or API calls in your tests.<\/p>

\n

from unittest.mock import patch<\/p>\n

class MyTest(TestCase):
\n@patch(‘myapp.views.requests.get’)
\ndef test_external_service(self, mock_get):
\nmock_get.return_value.status_code = 200
\nresponse = self.client.get(reverse(‘myview’))
\nself.assertEqual(response.status_code, 200)<\/p>\n<\/div><\/div>

49. How do you test Django forms?<\/h3>

Answer:<\/strong><\/p>

Instantiate the form with test data and use the is_valid()<\/strong> method to check if the form validates correctly.<\/p>

\n

class AuthorFormTest(TestCase):
\ndef test_valid_form(self):
\ndata = {‘name’: ‘John Doe’, ‘age’: 30}
\nform = AuthorForm(data=data)
\nself.assertTrue(form.is_valid())<\/p>\n<\/div><\/div>

50. How do you test Django signals?<\/h3>

Answer:<\/strong><\/p>

Use the Signal.disconnect()<\/strong> method to disable other handlers and manually send the signal in your test case.<\/p>

\n

from django.test import TestCase
\nfrom django.db.models.signals import post_save<\/p>\n

class SignalTest(TestCase):
\ndef test_signal(self):
\npost_save.disconnect(after_author_saved, sender=Author)
\nauthor = Author(name=’Test Author’, age=40)
\nauthor.save()
\npost_save.connect(after_author_saved, sender=Author)<\/p>\n<\/div><\/div>

Final Words<\/h2>

Getting ready for an interview can feel overwhelming, but going through these Django fresher interview questions can help you feel more confident. This guide focuses on the kinds of Django-related interview questions for fresher roles that you’re likely to face.<\/p>

Don’t forget to practice the Django core concepts, models, and Django REST framework-related interview questions too! With the right preparation, you’ll ace your Django interview and take that important step in your career.<\/p>

Frequently Asked Questions<\/h2>

1. What are the most common interview questions for Django?<\/h3>

The most common interview questions for Django often cover topics like models, views, forms, ORM, and the Django REST framework.<\/p>

2. What are the important Django topics freshers should focus on for interviews?<\/h3>

The important Django topics freshers should focus on include Django models, views, URL routing, templates, forms, and Django ORM.<\/p>

3. How should freshers prepare for Django technical interviews?<\/h3>

Freshers should prepare for Django technical interviews by building small projects, practicing common Django patterns, and understanding the request-response cycle.<\/p>

4. What strategies can freshers use to solve Django coding questions during interviews?<\/h3>

Strategies freshers can use include breaking down the problem, leveraging Django’s built-in features, and writing clean, modular code.<\/p>

5. Should freshers prepare for advanced Django topics in interviews?<\/h3>

Yes, freshers should prepare for advanced Django topics like middleware, signals, custom user models, and the Django REST framework if the role requires in-depth knowledge.<\/p>

Explore More Django Resources<\/h2>