A self-challenge started in 2025 to solve 5000 problems on AI (HackerRank), Data Structures & Algorithms (LeetCode, GeeksforGeeks), and SQL database problems. Solutions are in Java, Python, JavaScript ...
This repository contains my journey through SQL challenges on HackerRank, where I earned a 5-star rating in SQL programming. Each solution demonstrates different aspects of SQL querying, from basic ...
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