- What is the business definition of each KPI and calculation rule?
- Which columns are mandatory and which can be null or ignored?
- What time zone and date logic should be used (order date vs posting date)?
- How should duplicates, cancellations, and reversals be treated?
- What historical data range is required for reporting?
- Are there lookup tables for status, region, or product mapping?
- What refresh frequency and latency is acceptable for users?
- Who validates totals after transformation — finance or operations team?
- Any known data quality issues in the source system we must handle?
What questions should a BA ask before defining transformations?
Updated on February 11, 2026
< 1 min read