Explore Apache Kafka's KSQL in this 49-minute conference talk from Devoxx. Dive into the declarative, SQL-like stream processing language that simplifies powerful stream-processing applications. Learn about Kafka architecture, data models, and structures. Discover how to process events, use the Consumer API, and work with real-world examples like clickstream analysis, fraud detection, and movie rating applications. Create streams, copy data, perform joins, and manage state. Gain insights into case equality and the KSQL engine. Walk through live coding demonstrations on streaming data and access valuable KSQL documentation resources.