What is the difference between data warehouse and data lake?
Sr Data Engineer Interview Questions
2,447 sr data engineer interview questions shared by candidates
Which types of query optimization do I know in Spark, and how do they work internally? How to make a join with two big datasets, if the joining condition is not strict (expected to hear about product join and keep only relevant rows) Other in-depth questions about spark-streaming internals, and big data techs like kafka, zookeeper, etc.
What would be your ideal tech stack for small / mid / big data projects?
Hackerrank questions with sql and coding exercise
design a realtime data pipeline.
Which union statement eliminates the duplicates?
A question about the live coding session
Tell me about your most interesting project
Asked simple 5-6 SQL queries which I was able to answer. Asked python, AWS based questions too which were at average level.
Tell me about a time you had to go against the status quo
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