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Line 3: {{Refimprove\|date=December 2012}} A '''data definition ''' or '''data description language''' ('''DDL''') is a syntax similar to a computer [[programming language]] for defining [[data structure]]s, especially [[database schema]]s. DDL statements create, modify, and remove database objects such as tables, indexes, and users. Common DDL statements are CREATE, ALTER, and DROP ==History==

Data definition language: Difference between revisions