Problem
What are window functions in SQL, and how would you use them to calculate a running total of product sales over time?
Practicing as: Data Analyst interview at Samsung ElectronicsHi, I'll play your Samsung Electronics interviewer for the Data Analyst role. Candidates describe these interviews as mostly positive and moderately difficult, so expect me to be friendly and conversational. Take your time with the question above and answer like we're in the room.
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