> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cloud.cdata.com/llms.txt
> Use this file to discover all available pages before exploring further.

# DDL

> Connect AI also supports the following DDL statements to create, delete, and alter derived views.

## CREATE DERIVED VIEW Statements

See [CREATE DERIVED VIEW Statements](/en/SQL-Reference/CREATE-DERIVED-VIEW) for a syntax reference and examples.

## DROP DERIVED VIEW Statements

See [DROP DERIVED VIEW Statements](/en/SQL-Reference/DROP-DERIVED-VIEW) for a syntax reference and examples.

## ALTER TABLE Statements

See [ALTER DERIVED VIEW Statements](/en/SQL-Reference/ALTER-DERIVED-VIEW) for a syntax reference and examples.