Coders Brain HR and IT Consultant Interview Questions and Answers

Q1. SQL joins, window functions, scenario based questions on data cleaning, data processing
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Q2. What strategies can be employed for the optimization of ETL processes and Spark jobs?
Ans. 
Optimize ETL processes and Spark jobs through efficient design, resource management, and performance tuning.
• Use partitioning to improve data processing speed. For example, partitioning large datasets by date can speed up queries.

• Implement data caching in Spark to store intermediate results, reducing the need for repeated computations.

• Optimize data formats by using columnar storage formats like Parquet or ORC, which imp...read more
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Test of SQL, Tableau and other skills based on your resume on Skillate

Q1. SQL and other skills technical questions
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Q1. Manager round / 2nd technical round
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Aptitude test

Current affairs

Q1. Puzzle , sql related questions
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In this round, we have questions from time relation, blood relation, programming questions. Around 45 questions in 30 minutes,

In this round, we have two programming questions. Both are hacker rank easy to medium level.

Q1. In this round, we have questions from the core java and a famous scooter tire question.
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Q1. Closures, hostings, react js, redux, hooks basic
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Q2. Html5, css3, basic javascript stuff
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