Decathlon Team Leader (Technical) Interview Questions and Answers for Experienced

Q1. SQL basics and coding questions
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Q1. Data Science mathematical concepts
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Q1. Why do you want to join
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Cas study on books library data

Q1. Basics of spark Discussion on case study approach SQL question on windows function
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Two interviewers. They asked about my experience, my study, and some technical questions related to the work function

First there is a video interview where you get asked three questions and then the is an excel questionnaire

Q1. They ask you your areas of interest and based on that you get interviewed
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Q1. Average totals for last 3 months
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Q2. Running totals in a year using dax
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Running totals in a year using DAX
• Use the DAX function CALCULATE to create running totals

• Use the FILTER function to specify the date range for the running total

• Example: CALCULATE(SUM(Sales[Amount]), FILTER(ALL('Date'[Date]), 'Date'[Date] <= MAX('Date'[Date])))
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Q1. Prepare from the job description
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SQL questions
Window functions
Joins
Self joins

Q1. P value explanation
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P value is a statistical measure that helps determine the significance of results in hypothesis testing.
• P value is the probability of obtaining results as extreme as the observed results, assuming the null hypothesis is true.

• A small P value (typically ≤ 0.05) indicates strong evidence against the null hypothesis, leading to its rejection.

• A large P value (> 0.05) suggests weak evidence against the null hypothesis, leadi...read more
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Q2. Statistical modeling questions
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Q1. Salary discussion
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