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Optimizing Slow Queries

Hard
SQL & Data Manipulationsql querypythonoptimization

Problem

How do you optimize a slow-running Python script or SQL query for large-scale financial datasets?

Practicing as: Data Engineer interview at Manulife Financial

Hi, I'll play your Manulife Financial interviewer for the Data Engineer 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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