Compute the height of a binary tree.
Data Engineering Interview Questions
20,957 data engineering interview questions shared by candidates
what is spark.
The interviewer asked me questions on SQL , JAVA and my project
One dictionary was given need to compare the elements of it with other dict and create new one with key has to sort in order
Why do we need Hadoop ?
2nd round Supposed to be Spark coding Questions like finding out the most recent file in directory using spark, Joining of columns, Simple SQL
coding question; variation of TwoSum - return the number of all pairs that sum to given number. e.g for [3,3,3,3] need to return 6
Questions should be relevant and if the candidate wasn't a match then reject him after looking at the resume rather than asking do you know this and discouraging candidates.
Q: Design a scalable solution to stream data from different data sources to Cassandra.
Solve a provided scenario that involves building multiple lists in Python.
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