He asked me the difference b/w Left join and right join and If we can get the same functionality they why did Microsoft guys made the right join? The other question was what should be the specialty of a database developer?
Etl Engineer Interview Questions
1,581 etl engineer interview questions shared by candidates
ETL experience. Unix Scripting. Scenario based questions.
How many years of etl experience I had.
Why do you want to work at Yell ?
Focusing on Python, SQL, pipelines
what is your least favorite programming language?
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?
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)
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