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. 1)Rouse, Margaret. “What Is Data Definition Language (DDL)? – Definition from WhatIs.com.” WhatIs.com. TechTarget, 1 Apr. 2009. Web. 17 Nov. 2015. <http://whatis.techtarget.com/definition/Data-Definition-Language-DDL>.

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