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SQL Month-Over-Month Change Analysis

Hard
HardSQL & Data ManipulationWindow FunctionsLag/LeadDate Functions

Problem

How would you use SQL to calculate month-over-month changes in operational metrics and flag teams with declining performance at ERM?

Practicing as: Operations Manager interview at ERM

Hi, I'll play your ERM interviewer for the Operations Manager 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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ERM Operations Manager Interview Questions
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