Mastering PostgreSQL 12 delves into advanced features of PostgreSQL to help database professionals optimize, secure, and scale their database systems. Through practical examples, this book equips you with the necessary skills to address challenges in modern PostgreSQL environments. What this Book will help me do Gain expertise in PostgreSQL 12's advanced SQL functions and features. Master replication and backup techniques for scalable and fault-tolerant databases. Effectively optimize PostgreSQL queries and index utilization for performance gains. Enhance the security of PostgreSQL servers to ensure data integrity. Acquire hands-on experience in troubleshooting and resolving PostgreSQL-related issues. Author(s) Hans-Jürgen Schönig is a renowned database expert specializing in PostgreSQL. With years of experience in both database administration and development, he brings clarity to complex technical topics. His teaching approach emphasizes practical applications, making PostgreSQL's advanced features accessible for professionals. Who is it for? This book is ideal for PostgreSQL developers, administrators, and database professionals who have foundational knowledge and intend to enhance their expertise. Readers should be familiar with general database concepts and aim to master PostgreSQL's advanced functionalities. Whether you are handling enterprise environments or exploring data topology, this book serves as a vital resource.