Your question is SQL, HTTP, and Data Concepts. 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 SQL joins work, and when you would use tables, views, and stored procedures; also describe clustered vs non-clustered indexes, common deadlock scenarios, and how async/await differs from synchronous code.