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Navatar Group Senior Data Specialist Interview Questions and Answers
Navatar Group Senior Data Specialist Interview Experiences
1 interview found
Dalip Singh
(1 Question)
- Q1. Excel questions
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Anonymous
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I applied via Naukri.com and was interviewed in Oct 2024. There was 1 interview round.
Logical reasoning 20 character
Interview Preparation Tips
- Advanced Excel SQL
I applied via LinkedIn and was interviewed in Feb 2023. There were 2 interview rounds.
(3 Questions)
- Q1. About your self,in company your role
- Q2. What's your greatest strength
- Q3. About your short term and long term goal
Interview Preparation Tips
- Data engineer
- Sales
- Data Analytics
I applied via Naukri.com and was interviewed in Aug 2022. There were 2 interview rounds.
(1 Question)
- Q1. 1) Optimizations techniques used while working on Spark and hive. 2) difference between partitioning and bucketing 3) How to add column in Data frame 4) Difference between cache and persistent
- Ans.
Answers to questions related to Spark, Hive, and Data Frames
Optimization techniques in Spark and Hive include partitioning, bucketing, and caching
Partitioning divides data into smaller, more manageable chunks while bucketing groups data based on a specific column
Adding a column to a Data Frame can be done using the 'withColumn' method
Caching stores data in memory for faster access while persistence stores data on disk
(1 Question)
- Q1. All questions related to current and previous projects. What is mean by ETL Day to day responsibilities
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Navatar Group Senior Data Specialist Interview Process
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