Data definition language: Difference between revisions

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Revision as of 11:54, 25 July 2020

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In the context of [[SQL]], '''data definition''' or '''data description language''' ('''DDL''') is a syntax for creating and modifying database objects such as tables, indexes, and users. DDL statments are similar to a computer [[programming language]] for defining [[data structure]]s, especially [[database schema]]s. DDLCommon examples statements create and modify database objects such as tables, indexes, and users. Commonof DDL statements areinclude <code>CREATE</code>, <code>ALTER</code>, and <code>DROP</code>.

==History==