Flink SQL and Table API Reference in Confluent Cloud for Apache Flink

Confluent Cloud for Apache Flink® supports the SQL standard through Apache Flink® SQL and the programmatic Flink Table API. This reference documents Data Definition Language (DDL) statements, Data Manipulation Language (DML) statements, built-in functions, and the Table API.

Apache Flink® SQL is based on Apache Calcite, which implements the SQL standard.

Data types

Flink SQL has a rich set of native data types that you can use in SQL statements and queries.

• Data Types

Serialize and deserialize data

• Data Type Mappings

Reserved keywords

Some string combinations are reserved as keywords for future use.

• Flink SQL Reserved Keywords

Related content

• Stream Processing Concepts

• Time and Watermarks

Note

This website includes content developed at the Apache Software Foundation under the terms of the Apache License v2.