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Optimize a Slow Query

Hard
HardSQL & Data ManipulationPerformance Tuningperformancequery optimizationAsked 1 times

Problem

How would you optimize a slow-performing query that processes millions of rows of sales system data at CarGurus?

Practicing as: Data Analyst interview at CarGurus

Hi, I'll play your CarGurus 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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CarGurus Data Analyst Interview Questions
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