3.Write a map reduce program in java and explain the big 'o' notation for it.
Big Data Developer Interview Questions
275 big data developer interview questions shared by candidates
Hive copy from partition table
various questions around kafka, hadoop, spark, scala
They asked questions fully on Hadoop components like hive ,sqoop etc ,. and spark in technical interview
Data Lineage? MDM questions on joins. moderate SQL problems Spark
Why do we use parquet file format ? Why dataframes are faster than RDD
stack and time_map based questions
write codes to show all the permutations from 1 to n
Introduce your technical background
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