How would you implement authentication for a REST web service?
Data Engineer Interview Questions
20,169 data engineer interview questions shared by candidates
maximum contiguous subarray problem..
Group bys in SQL
Ingest json documents in sqlite3 database. Answer to some analtical question using SQL queries and features important in the dataset, what more data you will need for further analysis
What are you looking for in an employer?
T'as eu une difficulté technologique, comment tu l'as résolu?
One thing they asked me was how I would approach integrating and normalizing data from multiple sources with different formats and grading systems. They were interested in understanding how I would handle discrepancies in movie titles, genres, and ratings across platforms, and how I would design a system to ensure consistency and reliability in the final aggregated ratings.
Question in Python: There was an input of a list of numbers and I had to return how many each value is in the list
they had asked queries and scenario based questions
What are dimensional and snowflake models?
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