Data definition language: Revision history


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  • curprev 15:1915:19, 10 February 20192405:204:e20d:5ef2::b38:90a0 talk 8,350 bytes −8 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. undo Tags: Mobile edit Mobile web edit

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