Your question is Incremental Daily Batch Load Strategy. 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 on a daily batch pipeline and want to avoid full reloads as data volume grows. You need a practical way to load only new or changed records while keeping the target tables accurate and easy to recover when a run fails.
Describe how you would implement and manage an incremental data load strategy for a daily batch process.