What is Django - Practice Questions & Exercises

Challenge - 5 Problems

🧠 Conceptual

intermediate

What is Django primarily used for?

Django is a popular framework. What is its main purpose?

A Creating mobile apps for Android and iOS

B Managing databases without any code

C Designing desktop software interfaces

D Building websites and web applications quickly and securely

💡 Hint

Think about what Django helps developers do on the web.

Django is a web framework that helps build websites and web apps fast and safely.

❓ component_behavior

intermediate

What does Django's ORM do?

Django has a feature called ORM. What does it do?

A It manages user sessions and cookies automatically

B It styles HTML pages with CSS automatically

C It helps convert database data into Python objects and vice versa

D It compiles Python code into machine code

💡 Hint

Think about how Django talks to databases.

Django's ORM lets you work with database data using Python code instead of SQL.

📝 Syntax

advanced

What is the correct way to define a Django model field for a text column?

Which option correctly defines a text field in a Django model?

Django

from django.db import models

class Article(models.Model):
    content = ???

A models.CharField(max_length=1000)

B models.TextField()

C models.IntegerField()

D models.DateTimeField()

💡 Hint

TextField is used for large text, CharField for short strings.

TextField stores large text data, suitable for article content.

❓ lifecycle

advanced

When is Django's middleware called during a request?

At what point does Django middleware process a web request?

A Before the view function runs and after the response is created

B Only after the response is sent to the browser

C Only when the server starts up

D Only during database migrations

💡 Hint

Middleware wraps around the request and response process.

Middleware runs code before the view handles the request and after the response is made.

🔧 Debug

expert

What error occurs if you forget to add a Django app to INSTALLED_APPS?

You created a new app but forgot to add it to INSTALLED_APPS. What error will Django raise when you try to run migrations?

A django.core.exceptions.AppRegistryNotReady

B django.db.utils.OperationalError

C ModuleNotFoundError

D ValueError: Missing migration files

💡 Hint

Think about what happens if Django can't find the app's models.

If an app is not in INSTALLED_APPS, Django's app registry is not ready to use its models, causing this error.