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Consultant Big Data Interview Questions

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1,784 consultant big data interview questions shared by candidates

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
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Big Data Engineer

Interviewed at Amazon

3.5★
Sep 3, 2020

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

Was asked to do a mock telephone cold-call. The interviewer challenged everything I said. I would prefer, at the very lease, to have been given stipulations or mock descriptions of what the intended mock call was for.
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Big Deal Sales Representatdes

Interviewed at Angi

3.5★
Jun 24, 2014

Was asked to do a mock telephone cold-call. The interviewer challenged everything I said. I would prefer, at the very lease, to have been given stipulations or mock descriptions of what the intended mock call was for.

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