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Writing Complex SQL Joins

Medium
SQL & Data ManipulationSubqueriesJoinsAggregations

Problem

How would you write a complex SQL query to analyze business data across multiple tables?

Practicing as: Business Analyst interview at Con Edison

Hi, I'll play your Con Edison 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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