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Developer Big Data Interview Questions

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1,784 developer big data interview questions shared by candidates

The online test had three coding and one SQL question. Coding questions were more stringent than SQL, that came as a surprise to me as the position was for "Big Data Engineer." Feels like they hire anyone without any skill match to the job position or based on the "coolness" of the resume factor.
avatar

Big Data Engineer

Interviewed at Fractal

4.1★
Apr 11, 2019

The online test had three coding and one SQL question. Coding questions were more stringent than SQL, that came as a surprise to me as the position was for "Big Data Engineer." Feels like they hire anyone without any skill match to the job position or based on the "coolness" of the resume factor.

Telephonic- Bucketing Partitioning What happens if the file size is more than the memory in driver Spark architecture Basic hive Sql queries Partitioning in spark Coalesce in spark Query execution sequence Second technical- he was very humble to understand my part of work. Mainly about the kind of work i have done in past. SQL scenarios Data warehousing Big data basics Case study on insurance company - how would i store the data what tables should have what columns and how to store them for easy retrieval in big data environment. How to read xml files Diff xml and json files Managerial- it ws a basic QnA HR-normal HR discussion . Nice experience over all
avatar

Big Data Engineer

Interviewed at Fractal

4.1★
Nov 18, 2019

Telephonic- Bucketing Partitioning What happens if the file size is more than the memory in driver Spark architecture Basic hive Sql queries Partitioning in spark Coalesce in spark Query execution sequence Second technical- he was very humble to understand my part of work. Mainly about the kind of work i have done in past. SQL scenarios Data warehousing Big data basics Case study on insurance company - how would i store the data what tables should have what columns and how to store them for easy retrieval in big data environment. How to read xml files Diff xml and json files Managerial- it ws a basic QnA HR-normal HR discussion . Nice experience over all

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