Q: Explain DDL and DML. Q: What is the difference between vertical and horizontal scaling? Q: Are you willing to work shift?
Consultant Big Data Interview Questions
1,784 consultant big data interview questions shared by candidates
If I was able to relocate to their headquarters
First Round Experience He asked me 2 SQL Questions(Questions were based on Join and group byAlso asked to write same code in pyspark) and few basic spark questions like cache and persist, reparation and coalesc, RDD, Dataframe and dataset difference. I cleared first round and HR again scheduled second round Second Round: 2 SQL questions which was based on joins and union, union and union all difference, RDD vs Dataframe vs Dataset, Repartition and coalesce,Spark Architecture, Hive and other project related and basic questions. I cleared second round as well then HR scheduled next round which is HR round. HR round: Introduce yourself, What I know about Impetus, Why changing job and walked me through company info and CTC breakdown. She has some budget constraints or approval constraints so not sure why they called and conducted this whole process.
Sobre la carrera y disponibilidad
Very generic questions which do not have any specific or single answer like - how would you optimize a hive query? how would you optimize a spark job?
-mostly on resume - some hive questions - How map-reduce works? - Spark architecture questions.
Some database related questions
Have you shopped at Aldi?
1. Theoretical programming question. 2. White board presentation. 3. Name a technical project that you owned where you did not know the technology and discuss how you brought yourself up to speed.
Où vous voyez-vous dans 5 ans ?
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