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align=\"center\"\u003e\n  \u003cimg src=\"https://img.shields.io/badge/SQL-Mastery-informational?style=for-the-badge\u0026logo=mysql\u0026logoColor=white\u0026color=4DB33D\"/\u003e\n  \u003cimg src=\"https://img.shields.io/github/stars/TanushreeSarkar/Hackerrank-SQL-Certificate-Test-Solution?style=for-the-badge\"/\u003e\n  \u003cimg src=\"https://img.shields.io/github/license/TanushreeSarkar/Hackerrank-SQL-Certificate-Test-Solution?style=for-the-badge\"/\u003e\n  \u003cimg src=\"https://img.shields.io/badge/MySQL-Compatible-brightgreen?style=for-the-badge\u0026logo=mysql\"/\u003e\n\u003c/p\u003e\n\n---\n# 🌟 HackerRank SQL Certification Test Solutions 🌟  \n\u003e *“I know how tough it can be to prepare for certifications — that’s why I built this repo to help you crush the HackerRank SQL tests with confidence.”*\n\n## 🎉 Welcome, SQL Warriors!\n\nThis is your **go-to toolkit** to master the **HackerRank SQL Skill Certifications** — whether you're just starting with basics or aiming for advanced mastery.  \nI've been in your shoes — late-night practice sessions, tricky test cases, and those silent \"why won't this pass?\" moments. This repository is here to **save you time, confusion, and frustration.**\n\n---\n\n## 🔥 What You'll Get\n\n✅ **Verified, Optimized SQL Solutions**  \n✅ **Complete Coverage** of:\n- 📘 Basic Certification  \n- 📗 Intermediate Certification  \n- 📙 Advanced Certification  \n\n✅ **Built in MySQL**, tested to match HackerRank’s strict grading system  \n✅ **Clean code**, ready to run, learn from, and tweak for practice\n\n---\n\n## 🧩 Why This Repository Exists\n\n✨ **Comprehensive** – No level left behind  \n🚀 **Optimized Solutions** – Efficient, industry-standard queries  \n📂 **Organized** – Clear file names, sorted by certification level  \n💬 **Approachable** – Made with empathy for learners like you  \n💼 **Interview-Ready** – Not just for HackerRank, but real-life job prep\n\n---\n\n## 🗂️ Folder Structure – Neat, Clean \u0026 Intuitive\n\n```\nHackerRank-SQL-Certification-Solutions/\n├── 📘 Basic/\n│   ├── select-top-performers.sql\n│   ├── filter-country.sql\n│   └── ...\n├── 📗 Intermediate/\n│   ├── groupwise-avg-orders.sql\n│   ├── monthly-spending-trends.sql\n│   └── ...\n└── 📙 Advanced/\n    ├── recursive-leaderboard.sql\n    ├── correlated-market-analysis.sql\n    └── ...\n```\n\n\u003e 🔎 *Every `.sql` file is named after its corresponding problem. No confusion. No guesswork.*\n\n---\n\n## 🚀 How to Use This Like a Pro\n\n1. **📥 Clone the repo**  \n   ```bash\n   git clone https://github.com/your-username/HackerRank-SQL-Certification-Solutions.git\n   ```\n\n2. **📁 Navigate by level**  \n   Choose `Basic`, `Intermediate`, or `Advanced` depending on your certification target.\n\n3. **🧪 Run and Learn**\n   - Copy the SQL code  \n   - Paste it in your MySQL environment or HackerRank SQL editor  \n   - Execute and study the logic behind each query  \n\n4. **📚 Practice \u0026 Modify**  \n   Use this as your learning base — experiment, tweak queries, and grow your SQL superpowers.\n\n---\n\n## 💡 Tips for Certification Success\n\n- ✅ **Don’t just copy — *understand*.**\n- ✅ **Use MySQL locally** (e.g., Workbench, db-fiddle.com) to play with queries.\n- ✅ **Watch out for constraints** like `NULL` values, duplicates, and data types.\n- ✅ **Test edge cases** — HackerRank loves tricky inputs.\n- ✅ **Practice regularly** — Skill builds with consistency.\n\n---\n\n## 🤝 Want to Contribute?\n\nGot a cleaner query? Discovered a new question? Add it in! 🤗  \nLet’s build this together for every SQL learner out there.\n\n```bash\n# Steps:\n1. Fork this repo 🍴\n2. Add or improve SQL files ✍️\n3. Open a pull request 🔄\n```\n\n\u003e You’ll be helping hundreds of learners and job-seekers just like yourself 🌍\n\n---\n\n## 📣 Show Your Support!\n\nIf this helped you:\n\n- 🌟 Star the repo  \n- 🍴 Fork it  \n- 💬 Share it  \n- 📢 Spread the word using `#HackerRankSQL`  \n\n\u003e Someone else might be looking for exactly this help — be that reason 💛\n\n---\n\n## 📬 Questions or Suggestions?\n\nOpen an [Issue](https://github.com/TanushreeSarkar/HackerRank-SQL-Certification-Solutions/issues) or drop feedback!  \nThis is an open learning space — your voice matters 🫶\n\n---\n\n## 📄 License\n\nLicensed under the [MIT License](LICENSE)  \nFree to use, share, and modify — just give credit where it’s due ✨\n\n---\n\n## 🎯 Final Thoughts\n\nWhether you're:\n\n- 💻 Preparing for the HackerRank SQL Certification  \n- 📋 Brushing up for interviews  \n- 🎓 Learning SQL from scratch  \n\n**This repo was made for *you*.**\n\n\u003e *“Keep learning. Keep building. You've got this!”*  \n\u003e — *From one SQL learner to another 💛*\n\n---\n\n**#SQL #HackerRank #Certification #MySQL #InterviewPrep**\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftanushreesarkar%2Fhackerrank-sql-certificate-test-solution","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ftanushreesarkar%2Fhackerrank-sql-certificate-test-solution","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftanushreesarkar%2Fhackerrank-sql-certificate-test-solution/lists"}