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Decathlon Senior Data Analyst Interview Questions, Process, and Tips

Updated 22 Nov 2024

Top Decathlon Senior Data Analyst Interview Questions and Answers

View all 9 questions

Decathlon Senior Data Analyst Interview Experiences

2 interviews found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via LinkedIn and was interviewed in Oct 2024. There were 6 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Difference between where and having
  • Ans. 

    WHERE is used to filter rows before grouping, HAVING is used to filter groups after grouping.

    • WHERE is used with SELECT statement to filter rows based on a condition

    • HAVING is used with GROUP BY statement to filter groups based on a condition

    • WHERE is applied before grouping, HAVING is applied after grouping

    • Example: SELECT * FROM table WHERE column = 'value'

    • Example: SELECT column, COUNT(*) FROM table GROUP BY column HAVIN

  • Answered by AI
  • Q2. View and materialised view
Round 2 - Case Study 

Retail data case study

Round 3 - Assignment 

Case study discussion

Round 4 - Technical 

(2 Questions)

  • Q1. Retail situational based questions
  • Q2. Metrics used in retail business
  • Ans. 

    Metrics used in retail business include sales, customer acquisition cost, customer lifetime value, inventory turnover, and gross margin.

    • Sales: Total revenue generated from products or services sold

    • Customer acquisition cost: Cost incurred to acquire a new customer

    • Customer lifetime value: Predicted revenue a customer will generate over their lifetime

    • Inventory turnover: Number of times inventory is sold and replaced in a ...

  • Answered by AI
Round 5 - One-on-one 

(2 Questions)

  • Q1. Basic technical knowledge
  • Q2. Situational and managerial round questions
Round 6 - HR 

(2 Questions)

  • Q1. Basic salary negotiation
  • Q2. Situational base question

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare SQL, Tableau and statistics basic

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Apr 2024. There were 3 interview rounds.

Round 1 - Technical 

(11 Questions)

  • Q1. Introduce Yourself
  • Q2. Your Day to Day responsibilities in current Job
  • Q3. Difference between View & Temp Table? what is view in sql?
  • Ans. 

    Views are virtual tables that display data from one or more tables, while temp tables are temporary tables that store data temporarily.

    • Views are virtual tables created by a query, while temp tables are physical tables created in the database.

    • Views do not store data themselves, but display data from underlying tables, while temp tables store data temporarily for a session or transaction.

    • Views can be used for security pu...

  • Answered by AI
  • Q4. Sql window functions
  • Q5. Sql 2 tables were given N was asked to write query.
  • Q6. Filters in Tableau
  • Ans. 

    Filters in Tableau allow users to narrow down data displayed in visualizations based on specific criteria.

    • Filters can be applied to dimensions or measures in Tableau.

    • Users can use filters to focus on specific subsets of data, such as a particular region or time period.

    • Filters can be set up as dropdown menus, sliders, or checkboxes for user interaction.

    • Example: Filtering sales data to show only results from the past yea

  • Answered by AI
  • Q7. Parameters in tableau
  • Ans. 

    Parameters in Tableau allow users to control the values in a visualization without modifying the underlying data.

    • Parameters can be used to filter data, change calculations, or modify the appearance of a visualization.

    • They can be created by defining a parameter in Tableau and then using it in calculated fields or filters.

    • Parameters can be set to different data types such as string, integer, float, date, etc.

    • Users can in...

  • Answered by AI
  • Q8. Types of bar charts in tableau, what is stacked bar?
  • Ans. 

    Types of bar charts in Tableau include standard bar, stacked bar, and side-by-side bar.

    • Standard bar chart displays individual bars for each category

    • Stacked bar chart shows the total value broken down into sub-categories

    • Side-by-side bar chart compares multiple measures across categories

    • Example: Stacked bar chart can be used to show sales by region, with each region broken down by product category

  • Answered by AI
  • Q9. Data blending Vs Joins in tableau
  • Ans. 

    Data blending combines data from different sources in Tableau, while joins combine data from the same source.

    • Data blending is used when data comes from different sources and cannot be joined directly.

    • Joins are used when data comes from the same source and can be combined based on a common key.

    • Data blending allows for more complex analysis by combining unrelated data sets.

    • Joins are more efficient for combining related d...

  • Answered by AI
  • Q10. Coin tossed 2 times what's prob to get both heads? what if coin is biased.
  • Ans. 

    The probability of getting both heads when a coin is tossed 2 times is 1/4. If the coin is biased, the probability may change.

    • The probability of getting both heads in a fair coin toss is 1/4 (1/2 * 1/2).

    • If the coin is biased, the probability of getting both heads may be different depending on the bias.

    • For example, if the coin is biased towards heads with a probability of 0.6, the probability of getting both heads would

  • Answered by AI
  • Q11. Difference in tree map & heat Map in tableau
  • Ans. 

    Tree map displays hierarchical data using nested rectangles, while heat map shows data values using color intensity.

    • Tree map visualizes hierarchical data with nested rectangles, where the size of each rectangle represents a measure.

    • Heat map displays data values using color intensity, with darker colors indicating higher values.

    • Tree map is useful for showing proportions within a whole, while heat map is effective for id...

  • Answered by AI
Round 2 - Case Study 

Present the case study through PPT which you already prepared before round 1. Hr reached out to me to complete case study before round 1.

Round 3 - Technical 

(1 Question)

  • Q1. Managerial Round (Technical)

Interview Preparation Tips

Topics to prepare for Decathlon Senior Data Analyst interview:
  • SQL
  • Tableau
Interview preparation tips for other job seekers - Make sure you are good at basics of SQL & Tableau. They didn't ask me single question on Python.

Skills evaluated in this interview

Senior Data Analyst Interview Questions Asked at Other Companies

Q1. What is the difference between Least Squares Method and the maxim ... read more
Q2. How do you improve the performance of Linear Regression
asked in Proftware
Q3. Imagine you are presented with a complex dataset from a multinati ... read more
Q4. How do you handle overfitting and underfitting in Decision Trees
Q5. What metrics do you use to evaluate classification models

Interview questions from similar companies

Interview experience
2
Poor
Difficulty level
Hard
Process Duration
4-6 weeks
Result
Not Selected

I applied via Approached by Company and was interviewed before Jan 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

45 mins and too many technical questions

Round 2 - Coding Test 

Too many technical questions

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Mar 2024. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Python questions dataframe creata
  • Q2. SQL questions joins , windows function,cte

Data Analyst Interview Questions & Answers

Lowe's user image Sai Praveen Reddy Allam

posted on 6 Sep 2023

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
No response

I applied via Recruitment Consulltant and was interviewed in Aug 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
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
Round 2 - Coding Test 

Pandas, python, SQL based questions

Round 3 - Technical 

(1 Question)

  • Q1. Pandas, python, sql, business case study and logical reasoning
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Mar 2023. There were 2 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. About what are you working on and your current role.
Round 2 - Technical 

(1 Question)

  • Q1. Technical skills
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Jul 2023. There were 3 interview rounds.

Round 1 - Coding Test 

Medium SQL, Statistics ,Guesstimate round

Round 2 - Case Study 

Supply and demand price increase, decrease related case study

Round 3 - Coding Test 

Domain knowledge and SQL

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare SQL and your past projects very well which will help you to be confident during the interview

I applied via Recruitment Consultant and was interviewed in Oct 2021. There was 1 interview round.

Interview Questionnaire 

4 Questions

  • Q1. Sql queries on join and window functions
  • Q2. Brain teasers
  • Q3. Business Case study
  • Q4. Statistics and formula

Interview Preparation Tips

Interview preparation tips for other job seekers - Get a
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.

Round 1 - Case Study 

Given a excel data and asked to find the sumif, pivot table, calculated field creation

given logical thinking questions

Questions on the generic costing as it is for vendor cost management team
-About inventory turnover ratio
-inflation impact on the cost increase in raw material or Finished product
-aptitude question

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - One-on-one 

(1 Question)

  • Q1. Basic experience related questions
Round 2 - One-on-one 

(1 Question)

  • Q1. Similar to L1.Interviewed with senior manager.
Round 3 - One-on-one 

(1 Question)

  • Q1. Team fit round with Director
Round 4 - HR 

(1 Question)

  • Q1. Salary Discussion

Decathlon Interview FAQs

How many rounds are there in Decathlon Senior Data Analyst interview?
Decathlon interview process usually has 4-5 rounds. The most common rounds in the Decathlon interview process are Technical, Case Study and Assignment.
How to prepare for Decathlon Senior Data Analyst 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 Decathlon. The most common topics and skills that interviewers at Decathlon expect are SQL, AWS, Analytical Chemistry, Business Process Management and Data Analysis.
What are the top questions asked in Decathlon Senior Data Analyst interview?

Some of the top questions asked at the Decathlon Senior Data Analyst interview -

  1. Coin tossed 2 times what's prob to get both heads? what if coin is bias...read more
  2. Difference between View & Temp Table? what is view in s...read more
  3. types of bar charts in tableau, what is stacked b...read more

Tell us how to improve this page.

Decathlon Senior Data Analyst Interview Process

based on 2 interviews

Interview experience

4.5
  
Good
View more

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