Your question is MongoDB vs Relational Trade-Offs. 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 architectural trade-offs between using MongoDB versus a relational database for storing unstructured robotic metadata at Fieldai?
Treat this as a practical architecture decision. Compare the options across schema flexibility, query patterns, consistency, scalability, operational complexity, migration risk, and long-term maintainability. Recommend an approach, identify decision criteria, and describe how you would validate and deliver it.