Deloitte Interview Questions and Answers

Create a Django CRUD application with models for employee and category, allowing users to view employee details based on selected category.

• Create models for employee and category in Django.

• Implement CRUD operations for employee model.

• Use category model to create new categories.

• Display employee details based on selected category.

I chose Python for its simplicity, readability, versatility, and vast community support.

• Python's syntax is clean and easy to read, making it beginner-friendly.

• Python has a wide range of libraries and frameworks for various applications like web development, data analysis, and machine learning.

• Python is versatile and can be used for scripting, automation, web development, scientific computing, and more.

• Python has a large and active community, providing ample resources and supp...read more

makemigrations is used to create new migration files based on the changes made to models, while migrate is used to apply those migrations to the database.

• makemigrations is used to generate migration files based on the changes made to models in Django

• migrate is used to apply those generated migrations to the database

• makemigrations creates a migration file in the migrations directory of the app, while migrate applies those migrations to the database schema

• Example: python manage...read more

Django is a high-level Python web framework that encourages rapid development and clean, pragmatic design.

• Django follows the Model-View-Template (MVT) architectural pattern.

• It includes an Object-Relational Mapping (ORM) system for interacting with databases.

• Django provides a built-in admin interface for managing site content.

• It uses URL routing to map URLs to views, which handle user requests.

• Django supports reusable apps and encourages the use of third-party packages for add...read more

Python has various data types including int, float, str, list, tuple, dict, set, bool.

• int: whole numbers, e.g. 5

• float: decimal numbers, e.g. 3.14

• str: text, e.g. 'hello'

• list: ordered collection, e.g. [1, 2, 3]

• tuple: ordered, immutable collection, e.g. (1, 2, 3)

• dict: key-value pairs, e.g. {'name': 'John'}

• set: unordered collection of unique elements, e.g. {1, 2, 3}

• bool: True or False values