5 SQL Questions You MUST Know for Data Interviews (Avoid This Mistake!): Part 3

Think you can find the 2nd highest salary in a specific department? Many candidates get this wrong — not because it’s hard, but because of how they write the query. In this video, we break down: ✅ How to find the 2nd highest salary within Department D3 🧠 The best way to use RANK() or DENSE_RANK() with a WHERE clause ❌ Why filtering before or after using PARTITION BY can give you incorrect results 📉 The exact mistake that leads to empty results or wrong rows This is part of our Top 5 SQL Interview Questions series — helping you go beyond basic queries and think like a pro. Perfect for: Data Analyst / Data Science candidates SQL job interview prep Anyone preparing for technical screens at companies like Google, Amazon, or startups 🔔 Subscribe and turn on notifications for the next video in the series! 👇 Drop your query in the comments — let’s see if you can solve it without picking the wrong associates! #SQL #AnalyticsInterview #DataAnalytics #SQLQuery #SQLInterviewQuestions #sql #sqlinterviewquestions #analytics #analyticsinterview #businessanalytics #datainterview 👉 Subscribe to @Asli_Analytics for more real-world analytics learning! 🎯 Follow Me On Social Media: LinkedIn: https://www.linkedin.com/in/gauravowlcity/ Instagram: https://www.instagram.com/asli_analytics/ Twitter/X: https://x.com/Gauravlytics Watch these 13 SQL Interview Questions and thank me later ! If you have you analytics interview lined up, these videos should be a must watch. I have asked these interview questions and often found candidates confused. Video 1 : https://lnkd.in/gveuqJPH All your joins queries will get resolved Video 2: https://lnkd.in/gMSPQXQD Master Join Interview Questions Video 3: https://lnkd.in/g2b-5a9t Handle Null Values in Join Interview Questions Video 4: https://lnkd.in/gWsmuNYs Master the 3 video series by applying your learning on this Full Outer Join Question Video 5: https://lnkd.in/g3QHbjQR Understand Cumulative Sum in a simplified way ! Video 6: https://lnkd.in/gXE2gC9x How would you solve Cumulative sum using self join Often get's asked in interviews to see how you can think logically! Video 7: https://lnkd.in/gy_R-EEq Common SQL Interview Mistake (Use Case of Ranking Function) Learn what Managers look out for: Attention to Detail Video 8: https://lnkd.in/gQCKwYVW Common SQL Interview Mistake (Use Case of Dense Rank Function) Learn what Managers look out for: Attention to Detail Video 9: https://lnkd.in/g_F8b4AV Interesting Join Question (Majority get stuck) Video 10: https://lnkd.in/gfjtJ9GN Master Lead/Lag Interview Question Video 11: https://lnkd.in/g4E-PnEv Amazon Interview Question Part 1 Majority of Folks made mistake during this question Video 12: https://lnkd.in/gpxRcZPg Amazon Interview Question Part 2 Looks Easy but the key is to clarify the question before jumping on to writing queries Video 13: https://lnkd.in/gKBsfrJV Amazon Interview Question Part 3 Avoid most common mistakes which 90% of candidates make