{"repo":"Vishwas-Chakilam/HackerRank-SQL-Solutions","free":true,"listed":false,"github":"https://github.com/Vishwas-Chakilam/HackerRank-SQL-Solutions","clone":"git clone https://github.com/Vishwas-Chakilam/HackerRank-SQL-Solutions.git","description":"This repository contains optimized solutions for HackerRank SQL challenges, covering Basic to Advanced SQL concepts. Each solution includes the problem statement, query, and explanation. 📌 Topics: SELECT, Joins, Aggregations, Subqueries, Window Functions & more. 🚀 Perfect for SQL learners & Data Analysts! Star ⭐ the repo if you find it helpful!","language":null,"stars":246,"topics":["database","mysql","query","sql"],"license":null,"category":"databases-storage","readme_excerpt":"HackerRank SQL Solutions 📌 Introduction Welcome to the HackerRank SQL Solutions repository! 🚀 This repo contains optimized SQL solutions for HackerRank SQL challenges , ranging from basic queries to advanced SQL techniques . Each solution includes: ✔️ Problem Statement 📜 ✔️ Optimized SQL Query 💡 ✔️ Explanation of the Approach 📝 Whether you're a beginner learning SQL or a data analyst looking to sharpen your skills , this repository is for you! --- 📂 Repository Structure The repository is structured into categorized folders based on SQL topics: Each folder contains SQL scripts with the corresponding problem statements and solutions. --- 🚀 Topics Covered ✔️ Basic Queries : SELECT , WHERE , ORDER BY , LIMIT ✔️ Aggregation : GROUP BY , HAVING , COUNT , SUM , AVG ✔️ Joins : INNER JOIN , LEFT JOIN , RIGHT JOIN , FULL JOIN ✔️ Advanced SQL : Window Functions , CTEs , Subqueries --- 🔧 Prerequisites Before running the solutions, make sure you have: ✅ A SQL environment installed (MySQL, PostgreSQL, SQLite, etc.) ✅ Basic knowledge of SQL syntax --- 🛠️ How to Use 1. Clone the repository 2. Navigate to the relevant topic folder 3. Open the SQL script and execute it in a compatible SQL environment --- 💡 Alternative Solutions Different SQL problems can have multiple valid approaches. The Alternative Solutions folder contains optimized or different methods to solve the same problems for better understanding. --- 🤝 Contributions 💡 Have a better solution ? Found an optimization ? 📌","default_branch":null,"files":null,"tree":[],"storefront":"/r/Vishwas-Chakilam","claimed":false,"request_supported":{"post":"https://gitbuyer.com/r/Vishwas-Chakilam/HackerRank-SQL-Solutions/request-supported","requests":0},"note":"indexed from public GitHub; nothing is for sale on this page. Clone it from GitHub. Paid listings live at /search."}