You are working on a finance analytics pipeline that feeds monthly reporting, planning, and variance analysis. The source systems change field definitions over time, and the same metric can mean different things across periods if you do not track those changes carefully. Your job is to keep the downstream tables and reports consistent.
How do you make sure your analysis is accurate when the underlying data definitions are changing over time?
You are working on a finance analytics pipeline that feeds monthly reporting, planning, and variance analysis. The source systems change field definitions over time, and the same metric can mean different things across periods if you do not track those changes carefully. Your job is to keep the downstream tables and reports consistent.
How do you make sure your analysis is accurate when the underlying data definitions are changing over time?