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Sr Data Engineer Interview Questions
2,562 sr data engineer interview questions shared by candidates
Some data modeling concepts & fact/dim designs. Lots of SQL. The SQL is heavy on entry level questions. Textbook oriented entry SQL questions, instead of practical entry SQL. One window function but easy, medium difficulty if you're not a regular window function user.
Cannot share due to NDA.
Sql: stored procedure question, python basic dsa
Why Hadoop? ( Compare to RDBMS) ... What would happen if NameNode failed? How do you bring it up? ... What details are in the “fsimage” file? ... What is SecondaryNameNode? ... Explain the MapReduce processing framework? (start to end) ... What is Combiner? ... What is Partitioner? ... Oozie – What are the nodes?
Step by step implementation of a data pipeline.
Q: Spark Architecture, how is it different and what are pros and cons?
Explain ETL Process in detail, which tool have you used?
Discuss experience and how it relates to the position
how do you keep yourself updated in the world of data engineering
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