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Data Definition Language (DDL) is a subset of SQL used to define, manage, and modify the structure of database objects such as tables, indexes, and schemas. It includes commands like `CREATE`, `ALTER`, and `DROP` that enable database administrators to create new tables, alter existing structures, and delete objects.
DDL commands are executed automatically, and they do not require a commit to save changes as they directly modify the database schema.
This Video Contains
2:35 - CREATE in Data Definition Language (DDL)
6:00 - ALTER in Data Definition Language (DDL)
13:35 - DROP in Data Definition Language (DDL)
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