Data Engineer
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0
Have you worked with Informatica or Oracle? Did you use SQL procedures and functions?
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31
If an SQL query takes too long, what will you do?
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31
What did you do with Prometheus/monitoring? What metrics and alerts did you use?
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30
Tell us about Spark jobs: what did you write, what abstractions and operations did you use?
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28
In which cases is Nested Loop Join most suitable?
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25
How was the custom Airflow operator implemented: through BashOperator?
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23
Are you currently attending interviews? Do you have offers or are you in final stages, especially in banks?
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22
Why is MergeTree needed in ClickHouse?
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7