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DataTerrain Interview Questions, Process, and Tips

Updated 18 Jan 2025

Top DataTerrain Interview Questions and Answers

View all 9 questions

DataTerrain Interview Experiences

Popular Designations

5 interviews found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via LinkedIn and was interviewed in Dec 2024. There was 1 interview round.

Round 1 - Technical 

(9 Questions)

  • Q1. How to use decorator and explain the difference between @login_required and @permission_required in Django?
  • Ans. 

    Decorators in Django are used to modify the behavior of functions or methods. @login_required ensures user authentication, while @permission_required checks for specific permissions.

    • Decorators are functions that wrap another function to modify its behavior.

    • @login_required decorator ensures that the user is authenticated before accessing a view.

    • @permission_required decorator checks if the user has specific permissions b...

  • Answered by AI
  • Q2. How to revert the previous changes made on the database server in Django i.e., Migration A, B, C, D you are now ready with new changes as E but need to revert the changes B?
  • Ans. 

    To revert changes made in Django migrations, use the command 'python manage.py migrate <app_name> <migration_name>'.

    • Use the command 'python manage.py showmigrations' to list all migrations and their names.

    • Identify the migration name you want to revert (e.g., 'app_name', '0002_migration_name').

    • Run the command 'python manage.py migrate <app_name> <migration_name>' to revert the specific migration.

  • Answered by AI
  • Q3. How to fetch API data in Django from server using params and it can fetch data dynamically i.e., -----/?querydata=seetha, here the query data may be a username, email, mobile number, register number, regis...
  • Ans. 

    To fetch API data in Django from server using params dynamically.

    • Use Django's HttpRequest object to access query parameters

    • Extract the query parameter value using request.GET.get('querydata')

    • Use the extracted value to dynamically fetch data from the server

  • Answered by AI
  • Q4. What is difference between Class-based views and function-based views?
  • Ans. 

    Class-based views are based on classes and provide more structure and functionality, while function-based views are based on functions and are simpler and more flexible.

    • Class-based views are defined as classes and inherit from Django's generic view classes, providing built-in functionality such as mixins and decorators.

    • Function-based views are defined as functions and are more flexible, allowing for custom logic and co...

  • Answered by AI
  • Q5. What are SQL Procedures and Triggers, when the triggers are used?
  • Ans. 

    SQL Procedures are stored SQL code that can be executed on demand. Triggers are special types of stored procedures that are automatically executed when certain events occur.

    • SQL Procedures are reusable blocks of SQL code that can be called by other programs or scripts.

    • Triggers are special types of stored procedures that are automatically executed when specific events occur in the database.

    • Triggers are commonly used for ...

  • Answered by AI
  • Q6. How to handle the different type of databases in Django? Have you done before in your projects?
  • Ans. 

    Django supports multiple databases through its database router feature.

    • Django allows defining multiple database connections in settings.py

    • Use database routers to route specific models to different databases

    • Example: routing user data to a separate database for better performance

  • Answered by AI
  • Q7. How the REST API works and what are the methods are available and explain?
  • Ans. 

    REST API is a set of rules and conventions for building and interacting with web services.

    • REST stands for Representational State Transfer

    • Methods available in REST API are GET, POST, PUT, DELETE

    • GET - Used to retrieve data from a server

    • POST - Used to send data to a server to create a new resource

    • PUT - Used to update an existing resource on the server

    • DELETE - Used to remove a resource from the server

    • Example: GET request t

  • Answered by AI
  • Q8. What is custom middleware, how to create and explain with example code?
  • Ans. 

    Custom middleware in Django allows for processing requests and responses before reaching views.

    • Custom middleware is a Python class that defines methods to process requests and responses in Django.

    • To create custom middleware, define a class with methods like process_request, process_response, etc.

    • Register the custom middleware in the Django settings.py file under the MIDDLEWARE key.

    • Example code: class CustomMiddleware: ...

  • Answered by AI
  • Q9. What is the mechanism for utilizing message queues and caching systems?
  • Ans. 

    Message queues and caching systems are used to improve performance and scalability in web applications.

    • Message queues help in decoupling components by allowing asynchronous communication between them.

    • Caching systems store frequently accessed data in memory to reduce database load and improve response times.

    • Popular message queue systems include RabbitMQ, Kafka, and Redis.

    • Common caching systems include Memcached and Redi...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared with a fundamental understanding of Python and Django. Experiment with your own code for each concept, as this practice will enable you to respond more quickly.

Top DataTerrain Python and Django Developer Interview Questions and Answers

Q1. How to fetch API data in Django from server using params and it can fetch data dynamically i.e., -----/?querydata=seetha, here the query data may be a username, email, mobile number, register number, registered date and so on.
View answer (1)

Python and Django Developer Interview Questions asked at other Companies

Q1. What happens when you enter URL in the chrome URL bar?
View answer (2)

HCLTech

An opportunity to work for Fortune 500 companies

The biggest brands, the bravest work.

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Oct 2024. There was 1 interview round.

Round 1 - Coding Test 

Array based questions, python inbuilt functions, decorators, iterators, etc.,

Senior Software Engineer Interview Questions asked at other Companies

Q1. Tell me about yourself. What technology are you using? What is a Collection? What are the different types of collection there? What is the difference between ArrayList and LinkedList What are the basic building blocks of Stream operators, s... read more
View answer (2)
Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
-

I applied via Naukri.com and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Asked basic questions like palindrome sequence, recursion, factorial etc. I have to written the code in paper.

Round 2 - Telephonic Call 

(1 Question)

  • Q1. About the project done in my college

Software Developer Interview Questions asked at other Companies

Q1. Maximum Subarray Sum Problem Statement Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array. Example: Input: array = [34, -50, 42, 14, -5, 86] Output: 137 Explanation: The maximum sum is... read more
View answer (42)
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Nothing much asp.net, linq questions
Round 2 - HR 

(1 Question)

  • Q1. Salary discussion

Software Developer Interview Questions asked at other Companies

Q1. Maximum Subarray Sum Problem Statement Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array. Example: Input: array = [34, -50, 42, 14, -5, 86] Output: 137 Explanation: The maximum sum is... read more
View answer (42)

DataTerrain interview questions for popular designations

 Software Developer

 (3)

 Python and Django Developer

 (1)

 Senior Software Engineer

 (1)

Software Developer Interview Questions & Answers

user image lakshmana velayutham

posted on 4 May 2024

Interview experience
4
Good
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before May 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Previous experience

Software Developer Interview Questions asked at other Companies

Q1. Maximum Subarray Sum Problem Statement Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array. Example: Input: array = [34, -50, 42, 14, -5, 86] Output: 137 Explanation: The maximum sum is... read more
View answer (42)

Interview questions from similar companies

I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. SOLID principals, oops, c# basics, SQL server, azure, design pattern

Interview Preparation Tips

Interview preparation tips for other job seekers - Clear basics of oops and design pattern

Interview Questionnaire 

1 Question

  • Q1. HTML, CSS, BOOTSTRAP, PHP. SQL

I applied via Campus Placement and was interviewed before Jun 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Simple program
  • Q2. I wrote a simple program in C

Interview Preparation Tips

Interview preparation tips for other job seekers - Be bold and confident

I applied via Company Website and was interviewed in Oct 2018. There was 0 interview round.

Interview Preparation Tips

General Tips: This interview was a technical one but was majorly a stress test. It lasted for about 1 hour 10 minutes. The interviewer wanted to test both my knowledge and communication skills. Most of the questions asked to me were related to my B.Tech curriculum i.e. computer science related topics. He stressed a lot on the basics related to my project topic. Luckily I was able to answer most of the questions correctly. I tried to answer each question with examples and also used props on the table (like pens, paperweights, pen stands etc.) to explain my theories. It was my first offcampus interview, and I think I did pretty well for a fresher.
You need to stay calm and should apply presence of mind. Please go through the job description thoroughly word-by-word and recheck your resume to ensure that you are a best-fit for the position.
Skills: Communication, Body Language, Problem Solving, Leadership, Presentation Skills
Duration: <1 week

Interview Questionnaire 

1 Question

  • Q1. Tell me about yourself?basics on c , then about projects
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DataTerrain Interview FAQs

How many rounds are there in DataTerrain interview?
DataTerrain interview process usually has 1-2 rounds. The most common rounds in the DataTerrain interview process are Technical, Coding Test and HR.
How to prepare for DataTerrain interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at DataTerrain. The most common topics and skills that interviewers at DataTerrain expect are SQL, Python, Django, Informatica and Information Technology.
What are the top questions asked in DataTerrain interview?

Some of the top questions asked at the DataTerrain interview -

  1. How to fetch API data in Django from server using params and it can fetch data ...read more
  2. How to revert the previous changes made on the database server in Django i.e., ...read more
  3. How to use decorator and explain the difference between @login_required and @pe...read more

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DataTerrain Interview Process

based on 5 interviews

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4.5

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4.1

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