A repository of SQL scripts and exercises designed to strengthen database querying and management skills. Whether you’re practicing joins, sub-queries, views or advanced filtering, this collection is here to help you learn and apply real-world SQL use-cases.
This repository contains:
- ✅ Clean, commented SQL scripts to solve common tasks
- 📚 Examples for different query types: joins, sub-queries, self-joins, views
- 🧠 Practice exercises to build proficiency with relational data
- 🧩 Joins & Self-Joins – combining tables into meaningful results
- 🔁 Sub-Queries – nested queries for more complex logic
- 👁🗨 Views – reusable query layers for abstraction
- 🔎 Filtering & Aggregation – summarising and filtering data for insight
- 🐘 SQL – standard query language for relational databases
- 📂 Structured folders and scripts organized by topic
- 📝 Clear comments inside scripts for learning and reference
- 💪 Builds a strong foundation in SQL querying for data-science & analytics work
- 🎯 Prepares you for real-world data challenges, not just textbook examples
- 🔁 Easy to reuse and adapt for your own datasets and projects
Contributions are welcome! Feel free to fork the repo, add new SQL topics or scripts (e.g., window functions, CTEs), and submit a pull request.