SQL

The SQL language support in eKuiper includes Data Definition Language (DDL), Data Manipulation Language (DML) and Query Language. The SQL support in eKuiper is a subset of ANSI SQL and has some customized extensions.

SQL in source definition

When create and manage stream or table source, SQL DDL and DML are used as the command payload. Check streams and tables for detail.

SQL queries in rules

In rules, SQL queries are used to define the business logic. Please check sql reference for detail.