Can you join together these two tables using SQL? What situation have you been that you had a tough time getting through? Create a python script that reads this csv file put it into panda dataframe and without using groupby group column a? Your opinion about mobile banking and how to improve it?
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.
Everything on spark.. Every little basic.. Foundations should be very strong
Determine if a linked list has a cycle.
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
Why want to work for fdm
Find a number that occurs exactly once in an array of integers. 1 < n[i] < 25
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