Data Definition Language (DDL)

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.

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

Last updated on: Apr 16, 2009

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