Explore the fundamentals of integrating Cosmos DB with Entity Framework Core in this comprehensive conference talk. Learn about Cosmos DB's key features, including its API, global distribution, consistency levels, and comprehensive SLA. Discover the cost-saving potential and capacity planning tools available for Cosmos DB. Dive into practical demonstrations, including setting up a sample application, working with Data Explorer, creating records, querying data, and implementing server procedures and user-defined functions. Gain insights into data migration techniques, emulator usage, and best practices for renaming and configuring containers. Conclude with a hands-on demonstration of building a ToDo List application, followed by a recap and Q&A session to solidify your understanding of Cosmos DB and EF Core integration.