"SQL Fundamentals" aims to introduce readers to the core principles of SQL (Structured Query Language) and its pivotal role in data management and manipulation in relational databases. The book is designed for beginners and intermediate learners, providing step-by-step instructions on creating, querying, and managing databases. Through practical examples and exercises, it seeks to impart a solid foundation in SQL, enabling readers to efficiently handle data and gain insights from it. This guide is essential for aspiring database administrators, data analysts, and anyone interested in data science.