Customer-facing teams often rely on analysts and data engineers to answer account-specific questions quickly and accurately. Interviewers ask this to understand whether you can translate a vague support request into a structured SQL investigation.
Describe your experience using SQL to support customer questions or investigate issues. In your answer, explain:
Keep the answer practical rather than theoretical. The interviewer is usually looking for a simple investigation workflow, examples of filters or aggregations you would use, and evidence that you can handle ambiguous requests carefully and communicate clearly.