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Optimizing a Slow Query

Medium
SQL & Data ManipulationJoinsCTEsAggregations

Problem

How would you optimize a slow-running query in a large database?

Practicing as: Data Scientist interview at The Broad Institute

Hi, I'll play your The Broad Institute interviewer for the Data Scientist 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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