Focusing on Python, SQL, pipelines
Junior Etl Developer Interview Questions
1,579 junior etl developer interview questions shared by candidates
Why do you want to work at Yell ?
what is your least favorite programming language?
How many years of etl experience I had.
Write a query to check for duplicate records in database.
I got selected for both the technical rounds where the interviewer asked me about sorting algorithms, Normalization in database, few OS questions like diff b/w process and thread, about kernel, scheduling algorithms and Oops concepts (about abstract class, inheritance, encapsulation)
What was the last problem that you solved in your previous position? What is a problem and its solution that you are proud of?
SQL queries were very tricky. In some questions answers were given like a, b, c, d but the answers would not be from the above given options. They used to provide options to confuse you. Don't fall for that, think and then answer.
How do you keep track of all the various tasks at hand?
Python: Q. Three difference between List and Tuple Q. State three immutable data types Q. Difference between compiler and interpreter. Is Python a compiler or interpreter language. Q. What will be the output for the following python script: print(1) print(2) print(3) print(4) print;(5) Q. Difference between coupling and decoupling? Q. Some coding questions to solve.
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