This repo contains Advanced SQL problems from HackerRank and Leetcode for Data analyst and data Science prepration This repository contains real-world problems commonly encountered in companies with comapny name What You’ll Find Here ✅ Advanced SQL Query Challenges – Complex problems with efficient solutions ✅ Real Company SQL Interview Questions – Frequently asked questions in FAANG, startups, and data-driven companies ✅ Performance Optimization – Best practices for writing scalable and efficient queries ✅ Database-Specific Solutions – Queries in PostgreSQL, MySQL, and SQL Server (T-SQL)
Who Should Use This? 🚀 Job Seekers & SQL Enthusiasts – Preparing for interviews 📊 Data Analysts & Data Scientists – Enhancing SQL query skills 🛠 Database Engineers & Developers – Learning best practices and advanced techniques
Contributing If you have interesting SQL problems, feel free to contribute! Open a pull request with your SQL challenge and solution.
Let’s Connect! If you find this repository useful, star ⭐ it and share it with others preparing for SQL interviews!