Context

Interviewers ask this question to understand both your SQL fundamentals and how you apply data tools in real analysis work. They are usually looking for practical depth, not just a list of technologies.

Core question

Describe your experience with SQL or other data analysis tools. In your answer, explain:

1. What kinds of SQL tasks you have handled, such as filtering, aggregations, reporting, or data cleaning
2. Which tools you have used alongside SQL, such as spreadsheets, BI tools, Python, or notebooks
3. How you used these tools to answer business questions or support decisions
4. Your comfort level with writing queries independently and validating results

Scope guidance

Give a structured, experience-based answer rather than a definition of SQL. The interviewer expects a concise overview of your hands-on work, the types of datasets you have analyzed, the SQL concepts you are comfortable with, and one or two concrete examples that show business impact.