This section describes the SQL language support in Confluent Cloud for Apache Flink®️, including
Data Definition Language (DDL) statements,
Data Manipulation Language (DML) statements, and
Apache Flink® SQL is based on Apache Calcite,
which implements the SQL standard.
Confluent Cloud for Apache Flink®️ is currently available for Preview. A Preview feature is a
Confluent Cloud component that is being introduced to gain early feedback from
developers. Preview features can be used for evaluation and non-production
testing purposes or to provide feedback to Confluent. The warranty, SLA,
and Support Services provisions of your agreement with Confluent do not
apply to Preview features. Confluent may discontinue providing Preview
releases of the Preview features at any time in Confluent’s sole
discretion. Check out Getting Help for questions,
feedback and requests.
For SQL features and limitations in the preview program, see
Notable Limitations in Public Preview.
SQL has a rich set of native data types that you can use in SQL
statements and queries.
Serialize and deserialize data
Not every SQL feature is implemented in SQL, but some string
combinations are reserved as keywords for future use.