What is Data Definition Language (DDL)? - Definition from WhatIs.com


Data Definition Language (DDL)

Part of the Database glossary:

Data Definition Language (DDL) is a standard for commands that define the different structures in a database. DDL statements create, modify, and remove database objects such as tables, indexes, and users. Common DDL statements are CREATE, ALTER, and DROP.

Learn more:

Mark Whitehorn explains the difference between data definition language (DDL) and data manipulation language (DML).

This was last updated in April 2009
Posted by: Margaret Rouse

Related Terms



  • Database

    - Terms related to databases, including definitions about relational databases and words and phrases about database management.

  • Internet applications

    - This WhatIs.com glossary contains terms related to Internet applications, including definitions about Software as a Service (SaaS) delivery models and words and phrases about web sites, e-commerce ...

Ask a Question About Data Definition Language (DDL)Powered by ITKnowledgeExchange.com

Get answers from your peers on your most technical challenges

Tech TalkComment



    Contribute to the conversation

    All fields are required. Comments will appear at the bottom of the article.