What is the difference between Data Set and Dataframe
Big Data Engineer Interview Questions
1,228 big data engineer interview questions shared by candidates
Basic Optimisation Techniques for Hive and Spark.
AWS project experience, basic concepts of data warehouse and data lakes, partitioning schemes, hash join, merge join SQL questions A sample data set is given. They will ask you to write SQL queries, mainly aggregation queries.
I was asked questions about my solution to the previously completed coding assignment, and was also asked what the output of a sample Python code snippet would be.
Qu’est ce qu’un RDD?
About previous projects, Hive & Spark and it's optimization techniques.
function Currying
cap theorem
hadoop high availability architecture
yarn architecture
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