Transaction Processing is a method of processing data involving transactions, typically in a computing environment, which ensures data integrity and reliability. Coursera's Transaction Processing catalogue teaches you the core principles and techniques for managing, monitoring, and optimizing transaction processing systems. You'll learn about key concepts including atomicity, consistency, isolation, and durability (ACID), transaction processing monitors (TPMs), and two-phase commit protocol. You'll also gain insights into applications of transaction processing within industries such as finance, retail, and e-commerce, and explore the role of transaction processing in big data systems, database management, and distributed systems.