This topic describes Flink SQL keywords.
For more information about SQL reserved keywords for Apache Flink 1.12, see Reserved Keywords.
For more information about SQL reserved keywords for Apache Flink 1.13, see Reserved Keywords.
For more information about SQL reserved keywords for Apache Flink 1.15, see Reserved Keywords.
Note
To define a Flink SQL keyword in a DDL statement, surround the keyword with backticks ('), such as `value`
.