Problem
What SQL techniques would you use to optimize a query that is running slowly across billions of rows of user event data at Qualtrics?
Practicing as: Business Analyst interview at QualtricsHi, I'll play your Qualtrics interviewer for the Business Analyst role. Candidates describe these interviews as mixed and moderately difficult, so expect me to be professional and fair. Take your time with the question above and answer like we're in the room.
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