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DDL Triggers

DDL triggers, like regular triggers, fire stored procedures in response to an event. However, unlike DML triggers, they do not fire in response to UPDATE, INSERT, or DELETE statements on a table or view. Instead, they fire in response to a variety of Data Definition Language (DDL) events. These events primarily correspond to Transact-SQL statements that start with the keywords CREATE, ALTER, and DROP. Certain system stored procedures that perform DDL-like operations can also fire DDL triggers.