Problem
Explain your reconciliation approach
Two Alten Nederland reporting sources return different values for the same financial metric. Explain how you would investigate the discrepancy with SQL, isolate the root cause, and decide which result should be trusted or how the metric definition should be corrected.
What this tests
- Aligning two sources to the same reporting grain
- Using joins to detect missing versus mismatched records
- Rebuilding metrics with aggregations and CASE logic
- Communicating source-of-truth decisions clearly
Expected depth
Keep the answer practical and SQL-oriented. The interviewer is looking for a structured reconciliation method, not a generic statement about checking dashboards or asking engineering to investigate.
Practicing as: Data Analyst interview at Bosch GroupHi, I'll play your Bosch Group 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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