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. Learn more: Mark Whitehorn explains the difference between data definition language (DDL) and data manipulation language (DML).
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Apr 16, 2009 |
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