Synopsis

The how-to guides are compact lessons that help you work with common ksqlDB functionality.

Query structured data

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

Convert a changelog to a table

Create a table representing the latest values in a stream.

Use connector management

Source and sink data from external systems.

Use a custom timestamp column

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

Create a user-defined function

Extend ksqlDB and invoke code that you wrote.

Control the case of identifiers

Specify the exact capitalization of object names.

Test an application

Build test suites to assert correct program behavior.

Substitute variables

Change the content of a query based on variables.

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Last update: 2020-12-15