A special-purpose language designed for managing data held in a relational database.

This repository contains optimized solutions for HackerRank SQL challenges, covering Basic to Advanced SQL concepts. Each solution includes the problem statement, query, and explanation. 📌 …

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These concepts introduce more complex features and functionalities of SQL. They are essential for building more sophisticated and robust queries, managing data relationships, and optimizing query …

Welcome to my collection of SQL solutions that helped me achieve a 5-Star SQL Badge on HackerRank ⭐⭐⭐⭐⭐. This repository demonstrates my ability to write clean, optimized, and efficient SQL …

Oct 12, 2025 · Welcome to my HackerRank SQL Solutions repository! This repo contains my personal solutions to a wide range of SQL problems from HackerRank, categorized by topic for easier …

10-Weather Observation Station 5.sql 11-Weather Observation Station 6.sql 12-Weather Observation Station 7.sql …and so on, up to the latest challenge! Kind of like a playbook, this repo is my step-by …

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This repository contains solutions to SQL problems from HackerRank, covering Basic, Intermediate, and Advanced SQL concepts. Topics include SELECT, JOIN, AGGREGATION, SUBQUERIES, …

Welcome to the HackerRank SQL Solutions repository! 🚀 Dive into a curated collection of SQL queries crafted to tackle a range of challenges. Whether you’re prepping for an interview or honing your SQL …