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I applied via Walk-in and was interviewed before Jan 2021. There were 5 interview rounds.
Time saved depends on complexity of problem and quality of data. Can range from hours to weeks.
Time saved is directly proportional to the quality of data and complexity of the problem
Simple problems with clean data can be solved in a matter of hours
Complex problems with messy data can take weeks or even months to solve
Efficient observation techniques and data cleaning can significantly reduce time taken to find a solut
I applied via Approached by Company and was interviewed in Jul 2022. There were 2 interview rounds.
Reasoning and mean,mode,median
I applied via Campus Placement and was interviewed in May 2024. There were 3 interview rounds.
There is one online assessment based on computer fundamentals
You have to appear for group discussion which is consist of 7-8 members and one topic will be given to you.
I applied via Naukri.com and was interviewed in Aug 2023. There were 2 interview rounds.
I applied via Company Website and was interviewed in Aug 2021. There were 3 interview rounds.
I appeared for an interview before Mar 2024.
Basic logical reasoning
I applied via Referral and was interviewed before Oct 2021. There were 2 interview rounds.
I applied via Recruitment Consultant and was interviewed in Dec 2020. There were 3 interview rounds.
Common ETL frameworks include Apache NiFi, Apache Spark, Talend, and Informatica.
Apache NiFi is a powerful and easy to use ETL tool for data ingestion and movement.
Apache Spark is widely used for big data processing and ETL tasks.
Talend offers a comprehensive ETL solution with a user-friendly interface.
Informatica is a popular ETL tool known for its data integration capabilities.
Various optimisation techniques were used, including linear programming, genetic algorithms, and simulated annealing.
Linear programming was used to optimize resource allocation.
Genetic algorithms were employed for complex optimization problems.
Simulated annealing was utilized for finding global optima in large search spaces.
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