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      Entry Level Azure Data Engineer Interview

      28 Jan 2022
      Anonymous interview candidate
      No offer
      Neutral experience

      Application

      Other Entry Level Azure Data Engineer interview reviews for Antra

      Entry Level Azure Data Engineer Interview

      22 Jul 2022
      Anonymous employee
      Denver, CO

      I interviewed at Antra

      Interview

      I was contacted by a recruited who scheduled me for a technical interview. The recruiter were very nice and informative but I do need to say that the recruiter my not be fully informed about technical interview. I would advise future candidate to study as much as possible about SQL and little bit about Python and algorithm before the interview. The interview includes 2 technical exercises: - 2 SQL questions about joining table - Simple Python exercise: return count of distinct values in array And a lot of questions which I listed below. The interviewer was very nice and she even explain to me some of the question where I got wrong. One thing I do need to say is that the recruiter will ghost you if you fail this interview. So if you don’t hear back from them, you know their answer

      Interview questions [7]

      Question 1

      SQL: What is a transaction?
      Answer question

      Question 2

      What is a data schema? What is the difference between star schema and snowflake schema
      Answer question

      Question 3

      What is a data lake? What is the difference between structured data and unstructured data
      Answer question

      Question 4

      What is a window function? What is the difference between window function and aggregate function
      Answer question

      Question 5

      How do you import a data file in Python?
      Answer question

      Question 6

      What is a binary search
      Answer question

      Question 7

      What is index (in programming)?
      Answer question
      11
      Accepted offer
      Positive experience
      Difficult interview

      Application

      I applied online. The process took 2 weeks. I interviewed at Antra (Denver, CO) in Jul 2022

      Interview

      Applied online with your resume phone screening with HR, and they tell you what you are gonna do next OA (easy level, Python coding problem, just sharing screen) tech video call with one of the tech trainers then two weeks training with a final evaluation.

      Interview questions [1]

      Question 1

      Python: define dictionary and if a key not in the dictionary what is the output lambda function/ why use it/ vs normal function error handling list vs tuple SQL: primary key/ necessary? left/inner join (A, B) many-to-many relationship junction table a view vs a table find the emp_id with the highest/11th highest salary
      Answer question
      2