Problem
Explain your approach
Two ASI reports show different values for what appears to be the same metric. Describe how you would investigate the discrepancy using SQL and data manipulation techniques, including how you would validate metric definitions, compare filters, inspect join grain, detect duplicate inflation, and isolate the step where the numbers diverge.
What this tests
- Reconciling conflicting report logic
- Validating joins and aggregation grain
- Using CTEs for side-by-side comparisons
- Using window functions to detect duplicate or stale records
- Communicating root cause clearly
Expected depth
You should answer at a senior analyst level. The interviewer is looking for a structured debugging workflow, not just a generic statement like “check the query.” Reference specific SQL patterns you would use and explain why each check helps narrow the issue.
Practicing as: Data Analyst interview at Archer Daniels MidlandHi, I'll play your Archer Daniels Midland interviewer for the Data Analyst role. Candidates describe these interviews as mostly positive and moderately difficult, so expect me to be friendly and conversational. Take your time with the question above and answer like we're in the room.
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