Your question is NoSQL Tradeoffs. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
What are the pros and cons of using a NoSQL database?
Discuss the decision in the context of an end-to-end ML system, including feature storage, high-volume event ingestion, online inference, and model feedback. Compare NoSQL with relational databases and explain how consistency, schema flexibility, query patterns, scaling, latency, cost, and operational complexity affect the choice.