Top 100 SQL Interview Questions & Answers (2025 Edition) – Real-Time Scenarios with Queries

Description

Master SQL interviews with the Top 100 SQL Interview Questions & Answers (2025 Edition) — a complete preparation guide with real-world scenarios, practical tips, and optimized SQL queries to help you ace your next job interview.

This book is built for both beginners and experienced professionals, covering:

• ✅ 100 frequently asked SQL interview questions from real company interviews.
• ✅ Scenario-based answers with practical use cases.
• ✅ Full SQL queries for joins, subqueries, CTEs, ranking, window functions, transactions, and performance tuning.
• ✅ Tips & tricks to explain your answers effectively in interviews.
• ✅ Latest 2025 updates including recursive CTEs, advanced indexing, materialized views, and query optimization techniques.

💡 Why Choose This Guide?

• Covers fundamental to advanced SQL concepts (joins, normalization, indexes, triggers, ACID, window functions, optimization).
• Provides step-by-step explanations with code for real-time scenarios (finding duplicates, top N queries, slow query tuning, transaction handling, etc.).
• Designed for students, freshers, and 3+ YOE professionals targeting roles in data engineering, backend development, and database administration.
• Helps you confidently answer practical interview questions, not just definitions.

🚀 Crack SQL interviews in 2025 with practical scenarios, optimized queries, and expert strategies.