Dive into the world of PostgreSQL 10, one of the most widely used open-source database systems. This comprehensive guide will teach you the essential features and functionalities of PostgreSQL, enabling you to develop, manage, and optimize database systems with confidence and efficiency. What this Book will help me do Gain a foundational understanding of relational databases and PostgreSQL. Learn how to install, set up, and configure a PostgreSQL database system. Master SQL query writing, data manipulation, and advanced queries with PostgreSQL. Understand server-side programming with PL/pgSQL and define advanced schema objects. Optimize database performance, leverage advanced data types, and connect PostgreSQL with Python applications. Author(s) None Juba and None Volkov are seasoned experts in database management and software development. Their extensive experience with PostgreSQL ensures that each concept is explained practically and effectively. They aim to simplify complex topics for beginners and provide tips that are valuable for practitioners at various levels. Who is it for? This book is ideal for students, developers, and IT professionals who are new to PostgreSQL or wish to deepen their understanding of database technology. It caters to beginners looking to acquire foundational skills and database enthusiasts aiming to master PostgreSQL functionalities. Whether you're exploring database management for the first time or refining your existing skills, this guide is tailored for your needs.