# Tutorials ## Reference - - [SQL](https://en.wikipedia.org/wiki/SQL) - [FlinkSQL](https://github.com/apache/flink/blob/master/flink-table/flink-sql-parser/src/test/java/org/apache/flink/sql/parser/CreateTableLikeTest.java) - [antlr4 grammar](https://github.com/antlr/grammars-v4/tree/master/sql) -