Top 100 Spark & SQL Interview Q&A Guide (Real-Time Scenarios, 2025 Edition)

Description

Crack your next Spark or SQL interview with confidence! 🚀

This Top 100 Spark & SQL Interview Q&A Guide (2025 Edition) is designed for professionals with 3+ years of experience + Freshers, covering everything from core concepts to real-world scenario-based challenges that interviewers love to ask.

📌 What’s Inside?

• ✅ 100 handpicked questions & answers straight from real interviews (TCS, Infosys, Accenture, Amazon, etc.)
• ✅ Formatted for success → What they asked me, What I said in the interview, Tips to impress the panel
• ✅ Scenario-based Spark (PySpark) cases → skew handling, partition tuning, caching, AQE, CDC, streaming, Delta/Iceberg tables
• ✅ Advanced SQL challenges → window functions, CTEs, SCD handling, gaps & islands, recursive queries, percentiles
• ✅ Code snippets included (PySpark + SQL) for practical application
• ✅ Latest & updated for 2025 interview trends

💡 Whether you’re preparing for Big Data Engineer, Data Engineer, or Backend Developer interviews, this guide will give you the confidence to explain concepts with clarity and real examples.