The database purpose-built for stream processing applications.
Build applications that respond immediately to events. Craft materialized views over streams. Receive real-time push updates, or pull current state on demand.
Seamlessly leverage your existing Apache Kafka® infrastructure to deploy stream-processing workloads and bring powerful new capabilities to your applications.
What, not how
Use a familiar, lightweight syntax to pack a powerful punch. Capture, process, and serve queries using only SQL. No other languages or services are required.
How Real-Time Stream Processing Works with ksqlDB
How Real-Time Materialized Views Work with ksqlDB
How Real-Time Stream Processing Safely Scales with ksqlDB
The Cloudcast: kslDB Database for Streaming Events