10 Data Analyst Interview Questions You Should Be Ready For (2025) ✅ Explain the difference between INNER JOIN and LEFT JOIN. ✅ What are window functions in SQL? Give an example. ✅ How do you handle missing or duplicate data in a dataset? ✅ Describe a situation where you derived insights that influenced a business decision. ✅ What’s the difference between correlation and causation? ✅ How would you optimize a slow SQL query? ✅ Explain the use of GROUP BY and HAVING in SQL. ✅ How do you choose the right chart for a dataset? ✅ What’s the difference between a dashboard and a report? ✅ Which libraries in Python do you use for data cleaning and analysis? Like for the detailed answers for above questions ❤️ Share with credits: https://whatsapp.com/channel/0029VafL2YLAYlUP7vnqBU2N Hope it helps :)