Difference between cache and persist
Big Data Internship Interview Questions
1,784 big data internship interview questions shared by candidates
Q1. Explain Spark Architecture ? Q2. How stages are created ? Q3 What is metastore ? Q4 Optimization techniques ? Q5 DF practical question Q6 4 Easy SQL query. Brush up your Spark Skills.
The interviewer asked me what would I do if, they put me in a team of data science and some are much experienced and some are cubs in data science. this is your team and how and what would be my contribution to the team?
All big data related topic
Kafka out of sync replicas
Python, sql, visualization tools, database management
As you to write quey for implementation of rank, dense rank and partition by use cases using spark. difference between coleasce and repartition, difference between rdd, dataset and dataframe, persist beneift
Technical step was easy, questions about spark . In manager call only hdfs hadoop questions
Question on Joins, Optimizations based on Pyspark
Why do you want to work here
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