I applied online. I interviewed at OTP Bank (Bucharest, Bucuresti) in Sept 2020
Interview
A lot of questions from datawarehouse arhitecture methodologies. SQL problems and optimization techniques in Oracle 12c. Evaluating the impact of changing the definitions in the business area and creating some KPIs based on a set of data provided by the interviewer.
Interview questions [1]
Question 1
Which are the differences between a snowflake schema vs star schema?
