Your question is Single Source of Truth Pipeline. 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).
You're working across several operational systems and need one trusted dataset for reporting and downstream operations. The source systems overlap, definitions are inconsistent, and records can arrive more than once or out of order.
What’s your approach to building a single source of truth across multiple systems?