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Optimize Slow SQL and Pipelines

Medium
SQL & Data ManipulationPerformance Tuningdata pipelinesAsked 1 times

Problem

Explain your process for optimizing a slow-running SQL query or a massive data pipeline.

Practicing as: Data Engineer interview at Icw Group

Hi, I'll play your Icw Group interviewer for the Data Engineer role. Candidates describe these interviews as often stressful and moderately difficult, so expect me to be direct and to the point. Take your time with the question above and answer like we're in the room.

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