sql queries, hbase hotspotting, emp queries,avro,csv,pqrquete file format, Hive partitioning etc. all basic expected questions . Google 100 top big data questions, you will find everything.
Big Data Engineer Interview Questions
898 big data engineer interview questions shared by candidates
Everything on spark.. Every little basic.. Foundations should be very strong
Map Reduce, Hive, Hadoop Architecture, Spark, Yarn.
Interview questions were based heavily on the resume and in between they asked a few DSA and SQL queries, they also asked questions about data warehouse and oops concepts
Dsa questions asked: 1) Find second largest element in an array 2) Detect cycle in a undirected graph
SQL questions using joins, sub queries Python questions for searching through Big Data
During the HR round the question asked was give a large text file how to handle it to do the better search operations. No the answer was not using hashmaps but related to using the concepts of threads.
Explain the architectural differences between HBase, Cassandra and MongoDB
data frame ,performance,..
General question on big data
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