Synopsis

Follow compact lessons that help you work with common ksqlDB functionality.

Process and query structured data types like structs, maps, and arrays.

Create a table representing the latest values in a stream.

Source and sink data from external systems.

Change a running persistent query with no downtime.

Extend ksqlDB and invoke code that you wrote.

Specify the exact capitalization of object names.

Perform time-based operations using a timestamp in each record.

Build test suites to assert correct program behavior.

Change the content of a query based on variables.

Transforming columns with structured data

Transform columns of structured data without user-defined functions.

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Last update: 2021-03-12