Your question is SQL vs NoSQL for Marketplace. 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).
Explain how you would choose between SQL and NoSQL for a marketplace system like Whatnot.
Discuss the decision using marketplace entities and workflows such as listings, users, orders, payments, inventory, and live-auction activity. Explain how you would evaluate access patterns, consistency, transactions, schema evolution, operational complexity, and whether a hybrid architecture is appropriate.