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DecisionTree Analytics & Services Interview Questions and Answers

Updated 11 Dec 2024

6 interviews found

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Data Analyst Intern Interview Questions

user image Anonymous

posted on 11 Dec 2024

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

I was interviewed in Nov 2024.

2 Interview Rounds

1

Coding Test Round

It was a completely logical aptitude test.

2

Technical Round (1 Question)

  • Q1. What are different types of Joins

Data Engineer Interview Questions

user image Anonymous

posted on 15 Nov 2023

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

I applied via Referral and was interviewed in Oct 2023.

4 Interview Rounds

1

Resume Shortlist Round

Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
2

One-on-one Round (3 Questions)

  • Q1. SQL Basic syntax and rules
  • Q2. Resume projects explanation
  • Q3. Puzzles involving critical thinking
3

One-on-one Round (3 Questions)

  • Q1. Advanced SQL Coding
  • Q2. Puzzles and Guesstimates
  • Q3. Python Pandas questions
4

HR Round (4 Questions)

  • Q1. Why am I interested in this role
  • Q2. Open to relocate or not
  • Q3. Salary Expectations
  • Q4. Resume based questions

Interview Preparation Tips

Topics to prepare for DecisionTree Analytics & Services Data Engineer interview:
  • SQL
  • Guesstimates
  • Puzzles
  • Python

Senior Data Analyst Interview Questions

user image Anonymous

posted on 4 Sep 2023

Interview experience
1
 Bad
Difficulty level
 Moderate
Duration
 4-6 weeks
Result
 Not Selected

I applied via LinkedIn and was interviewed in Aug 2023.

4 Interview Rounds

1

Resume Shortlist Round

Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
2

Technical Round (3 Questions)

  • Q1. Basic of joins , some shit puzzle question
  • Q2. Inner join left join cross join
  • Q3. Lod in tableau , Row level security
3

Case Study Round

There will be one case study where we need to create a wireframe /dashboard design

4

One-on-one Round (1 Question)

  • Q1. Tableau question and again shit puzzle question

Interview Preparation Tips

Interview preparation tips for other job seekers - I would recommend to not go the office in the interview process. They are only wasting the candidate time and I spent 3 hrs just for useless questions they asked
And you won’t believe that interviewer was checking answer on phone if your approach is some other method

Total waste of money and time

Skills evaluated in this interview

Data Analyst Interview Questions

user image Anonymous

posted on 28 May 2024

Interview experience
4
 Good
Difficulty level
 -
Duration
 -
Result
 -

2 Interview Rounds

1

Aptitude Test Round

The test was on mettl and of moderate level

2

Case Study Round

Guesstimates puzzles and sql questions were asked

DecisionTree Analytics & Services interview questions for popular designations

 Data Analyst

 (2)

 Senior Data Analyst

 (2)

 Data Analyst Intern

 (1)

 Data Engineer

 (1)

Data Analyst Interview Questions

user image Anonymous

posted on 11 Aug 2024

Interview experience
5
 Excellent
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
Selected  Selected

I applied via Approached by Company and was interviewed before Aug 2023.

3 Interview Rounds

1

Aptitude Test Round

General aptitude questions involving logical and math questions primarily

2

Technical Round (1 Question)

  • Q1. Questions centered around SQL and Excel
3

HR Round (1 Question)

  • Q1. Logical problems and general questions about profile

Senior Data Analyst Interview Questions

user image POOJA GULATI

posted on 9 Jul 2024

Interview experience
5
 Excellent
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
Selected  Selected

I applied via Instahyre and was interviewed before Jul 2023.

2 Interview Rounds

1

Aptitude Test Round

Basic tech questions around guesstimates

2

One-on-one Round (1 Question)

  • Q1. Puzzles and resume

Interview questions from similar companies

Interview experience
2
 Poor
Difficulty level
 Moderate
Duration
 2-4 weeks
Result
 No response

I applied via Naukri.com and was interviewed in Nov 2024.

1 Interview Round

1

Technical Round (16 Questions)

  • Q1. What are custom hooks in React, and what are their use cases? Additionally, can you provide an example of a custom hook that performs an API call and utilizes t...read more
  • Q2. What is the difference between useMemo and useCallback in React?
  • Q3. What is the difference between class-based components and functional components in React?
  • Q4. How can you implement the lifecycle of a React component in a functional component?
  • Q5. What are the various state management techniques available in React?
  • Q6. What is the architecture of Redux, and what purposes do middlewares serve within it?
  • Q7. What is hoisting in JavaScript?
  • Q8. What is event bubbling in JavaScript?
  • Q9. What are block scope and function scope in JavaScript?
  • Q10. Have you had experience working with semantic tags in HTML?
  • Q11. What are the various methods for creating an object in JavaScript?
  • Q12. What are the differences between shallow copy and deep copy in JavaScript?
  • Q13. What will be the output of the following JavaScript code fragment: `const a; function test() { console.log(a); }; test();`?
  • Q14. How can you use CSS to arrange elements in a row and column layout?
  • Q15. Have you utilized CSS preprocessors, and if so, which ones?
  • Q16. If I have assigned different colors to an ID and a class and applied both to the same element, which color will be applied based on CSS specificity precedence?

Interview Preparation Tips

Topics to prepare for Cognizant Senior Software Engineer interview:
  • Javascript
  • React.Js
  • HTML
  • CSS
Interview preparation tips for other job seekers - Possessing a deep understanding of JavaScript and React is essential. Interviewers may engage in mind games with candidates; therefore, we should remain calm and focused solely on the questions. Additionally, we need to be confident in our answers; otherwise, they may respond with doubt, asking, "Is that so?"

Skills evaluated in this interview

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

I applied via LinkedIn and was interviewed in Nov 2024.

2 Interview Rounds

1

Technical Round (2 Questions)

  • Q1. Tell us about yourself
  • Q2. Lot of questions on SQL and Linux commands
2

One-on-one Round (2 Questions)

  • Q1. Tell us about yourself
  • Q2. It was a manager round combined with some technical questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Nothing much, stick to your basics and prepare all the concepts

Data Analyst Interview Questions

Nagarro user image RISHABH Pal

posted on 18 Dec 2024

Interview experience
5
 Excellent
Difficulty level
 Easy
Duration
 Less than 2 weeks
Result
Selected  Selected

I applied via Naukri.com and was interviewed in Nov 2024.

2 Interview Rounds

1

Aptitude Test Round

The Aptitude Test session accesses mathematical and logical reasoning abilities

2

Technical Round (6 Questions)

  • Q1. What is Vlookup
  • Q2. Some IF else Question in Excel
  • Q3. What does your day in your previous organization look like?
  • Q4. Could you share the technical skills you possess?
  • Q5. Can you explain what a Pivot Table is?
  • Q6. Find the Highest-paid employee in each department along with their salary and department name.

Interview Preparation Tips

Topics to prepare for Nagarro Data Analyst interview:
  • SQL
  • Excel
  • Problem Solving
  • PowerBI
  • SQL Queries
Interview preparation tips for other job seekers - Practice common interviews and scenarios, especially for your role.
Be prepared to discuss past challenges and how did you overcome.
Interview experience
4
 Good
Difficulty level
 Moderate
Duration
 Less than 2 weeks
Result
Selected  Selected

I applied via LinkedIn and was interviewed in Nov 2024.

3 Interview Rounds

1

Technical Round (2 Questions)

  • Q1. Basic ReactJs ,NodeJs questions with typescript
  • Q2. Prepare for javascript problems on , string , array , recursion, this.fn
2

Technical Round (2 Questions)

  • Q1. Asked on Node.js event loop , libuv , AWS , Ci-Cid , authentication, middleware , design and problem solving questions
  • Q2. Recursion, array methods problem solving Js questions , es6 , array methods
3

HR Round (2 Questions)

  • Q1. Details about you and your family,. Location
  • Q2. Salary expectations

Interview Preparation Tips

Interview preparation tips for other job seekers - It is a straightforward process; simply be prepared with the technology you excel in, without the need to explain everything in detail.

DecisionTree Analytics & Services Interview FAQs

How many rounds are there in DecisionTree Analytics & Services interview?
DecisionTree Analytics & Services interview process usually has 2-3 rounds. The most common rounds in the DecisionTree Analytics & Services interview process are One-on-one Round, Technical and Aptitude Test.
How to prepare for DecisionTree Analytics & Services 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 DecisionTree Analytics & Services. The most common topics and skills that interviewers at DecisionTree Analytics & Services expect are SQL, Business Intelligence, Data Warehousing, Data Analysis and Data Visualization.
What are the top questions asked in DecisionTree Analytics & Services interview?

Some of the top questions asked at the DecisionTree Analytics & Services interview -

  1. What are different types of Jo...read more
  2. Lod in tableau , Row level secur...read more
  3. Basic of joins , some shit puzzle quest...read more

Tell us how to improve this page.

Interview Process at DecisionTree Analytics & Services

based on 4 interviews in last 1 year

Interview experience

4.5
  
Good

People are getting interviews through

based on 4 DecisionTree Analytics & Services interviews
Job Portal
Referral
50%
25%
25% candidates got the interview through other sources.
Moderate Confidence
?
Moderate Confidence means the data is based on a sufficient number of responses received from the candidates

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DecisionTree Analytics & Services Reviews and Ratings

based on 19 reviews

4.0/5

Rating in categories

2.9

Skill development

3.8

Work-Life balance

3.5

Salary & Benefits

3.8

Job Security

3.7

Company culture

3.7

Promotions/Appraisal

3.2

Work Satisfaction

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