Explore the capabilities of GraphQL in this 17-minute conference talk from DevConf.CZ 2023. Gain a comprehensive understanding of GraphQL as a powerful solution for managing data in web applications. Learn about key features, concepts, and benefits, including writing efficient queries and mutations, working with types and schemas, fragments, variables, and real-time updates using subscriptions. Examine relevant code snippets and examples to aid comprehension and apply concepts readily. Designed for developers with web development experience, this talk equips attendees with the knowledge to significantly improve data management in their web applications using GraphQL.