Omkar on Instagram: "WHERE vs HAVING is not a syntax problem. It’s a question of timing. Are you filtering rows, or are you filtering aggregated results? Once that is clear, the correct query becomes obvious. #SQL #DataEngineering #SQLInterviews"

Sai Kumar Bysani on Instagram: "Comment "SQL25" and I'll share the 25 questions + why interviewers ask them. You don't need to solve 500 SQL questions to crack interviews. Across startups, MNCs, FAANG-type companies, and analytics roles, interviews continue to test the same core SQL thinking repeatedly. I’ve reviewed hundreds of interview loops and candidate outcomes. They all reduce to ~25 high-leverage SQL questions. These 25 questions cover: • JOIN logic (not syntax) • GROUP BY + HAVING traps