Top 100 most asked SQL Interview QnA

🚀 What’s Inside?

✅ 100+ Handpicked SQL Questions – Covering basic queries to advanced optimization techniques asked in FAANG, startups, and top tech firms.

✅ Real Interview Problems – Based on actual Data Engineering interviews (Joins, Subqueries, Indexing, Partitioning, CTEs, Window Functions).

✅ Detailed Explanations – Not just answers, but why and how behind each solution.

✅ Performance Tuning & ETL Focus – Query optimization, schema design, and big data SQL tricks.

✅ Bonus Cheat Sheet – Quick reference for key SQL syntax, functions, and best practices.