Mostly asked questions on SQL, covering concepts like normalisation, DBMS, asked me to write 2-3 SQL queries, and finally some Python and machine learning concepts. It was overall a medium-level question, so mostly prepare on basic SQL concepts and Python concepts.
Interview questions [1]
Question 1
We have different types of normalisation in SQL. What are they?
I applied online. The process took 3 weeks. I interviewed at CCS Global Tech in Aug 2022
Interview
The whole process was easy. Started with phone screening with HR. Then HR will give you a test. Last round was tech interview. HR will help you on the interview.
I applied online. The process took 1 week. I interviewed at CCS Global Tech (Philadelphia, PA) in May 2015
Interview
-- First Round Phone Interview: self-introduction. Prior experience description. Concepts Check.
-- Second Round Face to Face Interview: Scenario analysis. Writing Code. Discussed a lot about my personal experience in data engineering and data science area, such as tools, languages, system topologies, etc...