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.
Consultant Big Data Interview Questions
1,784 consultant big data interview questions shared by candidates
It is related to all the aspects which related to my technology.
Q: Explain DDL and DML. Q: What is the difference between vertical and horizontal scaling? Q: Are you willing to work shift?
Difference between RDD and dataframe Difference between tuple and list Some spark questions Tell me about your project
Difference between RDD and dataframe Difference between tuple and list Some spark questions
There is two table. one is emp_details another is employee salary Find emp who has salary more than 8000 and who has worked in multiple project. 2. Find prime num. between 1 to 50 in Python/java. 3. Execution of spark job 4.Big-data-ques
Complex mysql query faced related to window, joins etc.
Leetcode hard type of question
Why do we use parquet file format ? Why dataframes are faster than RDD
question on core java, spark archtecture, performance optimization, some question on hive, two problem statement that needs to be solved with hive and dataframe api. questions on cloud
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