Explore CQRS and Event Sourcing patterns in this 55-minute conference talk from the International PHP Conference. Dive into data storage and access concepts as Oliver Sturm demystifies the seemingly complex CQRS pattern and its natural extension, Event Sourcing. Learn through practical examples how to implement and combine these patterns effectively. Gain insights into data access patterns, application structure, read models, and witness a live demonstration. Discover how splitting responsibilities in data handling can enhance your software architecture and decision-making processes for more efficient and scalable applications.