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Aggregate Streams
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Re-key your data
Enrich credit card streaming data
Converting JSON to AVRO
Unwrapping complex values as primitives
Delete data from compacted topics
Work with arrays
Work with JSON strings
Join 3 Kafka topics
Update a SQL Processor
Automate SQL processors creation
Time window aggregations
Control AVRO record name and namespace
Expressions
Functions
Custom functions
User defined aggregation functions
User defined functions
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Supported data formats
Kafka and Google Protobuf
Legacy protobuf support
SQL Studio
Snapshot SQL engine
Quick start
Insert and delete data
Manage running queries
Manage Kafka topics
Meta fields
Views and synonyms
Running queries
Tune your query
Streaming SQL
Prerequisites
Concepts
Projections
Joins
Lateral Joins
Aggregations
Time and windows
Set storage format
Nullability
Settings
SQL tutorials
Snapshot SQL tutorials
Query data in Kafka
How to view Kafka message headers?
Streaming SQL tutorials
Build streaming apps
Filtering data
Change data format
Change data shape
Enrich Streams
Join two Kafka streams
Aggregate Tables
Aggregate Streams
Control event time
Multiple topics
Re-key your data
Enrich credit card streaming data
Converting JSON to AVRO
Unwrapping complex values as primitives
Delete data from compacted topics
Work with arrays
Work with JSON strings
Join 3 Kafka topics
Update a SQL Processor
Automate SQL processors creation
Time window aggregations
Control AVRO record name and namespace
Expressions
Functions
Custom functions
User defined aggregation functions
User defined functions
Deserializers
Supported data formats
Kafka and Google Protobuf
Legacy protobuf support
Lenses SQL
SQL tutorials
Streaming SQL tutorials
Build streaming apps
Build streaming apps
SQL cheat sheet
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Last modified: February 12, 2026
