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Big Data Engineer Interview Questions
898 big data engineer interview questions shared by candidates
How to read parquet file list the employees where salary > 10000
telephonic with technical and SQL coding ) 1 hr Difference b/w SQL and HDFS How do you read, map and reduce and text file in spark ETL How do you create tables in Hive Group by and union with Customer tables Size of data in Hadoop cluster Data warehousing Primarily focused for 45 min on Hive, Spark, Hadoop, HDFS, data warehousing and ETL And, no status on the interview yet, but even though I answered all the questions but, I failed in one coding question of 2 so, I don’t have any hopes for next rounds. It may be useful for you all. Here is the question I got on Amazon Interview Input: SALES_MONTH | PRODUCT_ID |SALE_AMOUNT JAN - 2020 |P1 | 100 FEB - 2020 |P2 | 200 JAN - 2020 |P3 | 500 MARCH - 2020 |P4 | 10 OUTPUT SALES_MONTH | P1_TOTAL |P2_TOTAL JAN - 2020 |100 | 0 FEB - 2020 |0 | 200 MARCH - 2020 |10 | 0
How will you join data coming from different pipelines in flume
Can you to data migration
Data related questions, AWS stack, Spark, Hive, Data Types, example of a difficult project and how did you handle it
All bookish questions of no positive intention to recruit.
What is a class in python and how does it differ from other languages? What are storage types in python? What is a python module?
Explain map in RDD partition ?
What business have you noticed has been doing well in the past 24 hours and why? How would you measure a businesses success?
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