To rename a trigger using DROP TRIGGER and ALTER TRIGGERĬopy and paste the following example into the query window and click Execute. IF OBJECT_ID(N'Sales.bonus_reminder', N'TR') IS NOT NULLĪS RAISERROR ('Notify Compensation', 16, 10) This trigger is helpful because it reminds the user that updates or inserts rows into this table to also notify the Compensation department. Execute the ALTER TRIGGER statement to modify the trigger to fire only on INSERT activities. Execute the first example to create a DML trigger that prints a user-defined message to the client when a user tries to add or change data in the SalesPersonQuotaHistory table. Using Transact-SQL To modify a trigger using ALTER TRIGGERĬopy and paste the following examples into the query. To see object dependencies, on the Home tab, click the New button, under the Connection to SQL Server window, choose the SQL Server instance, pick the type of authentication, and after selecting a desired database in the Database drop-down box, click the Connect button: The Dependency viewer window will appear: with the Dependencies pane, which. Re-create the trigger, specifying the new name. Modify the trigger, and then click Execute.ĭelete the trigger that you want to rename. In Object Explorer, connect to an instance of Database Engine and then expand that instance.Įxpand the database that you want, expand Tables, and then expand the table that contains the trigger that you want to modify.Įxpand Triggers, right-click the trigger to modify, and then click Modify. Using SQL Server Management Studio To modify a DML trigger To alter a DML trigger requires ALTER permission on the table or view on which the trigger is defined. Sys.dm_sql_referencing_entities (Transact-SQL) Sys.dm_sql_referenced_entities (Transact-SQL) Sys.sql_expression_dependencies (Transact-SQL) To view the dependencies of a trigger, you can use SQL Server Management Studio or the following function and catalog views: Therefore, before you rename an object, display the dependencies of the object first to determine whether any triggers are affected by the proposed change.Ī DML trigger can also be modified to encrypt its definition. If you change the name of an object referenced by a DML trigger, you must modify the trigger so that its text reflects the new name.
We recommend that you drop and re-create the trigger instead. Renaming a trigger does not change the name of the corresponding object name in the definition column of the sys.sql_modules catalog view.
Changing any part of an object name can break scripts and stored procedures. We recommend you do not use the sp_rename stored procedure to rename a trigger.
Mysql management studio trigger how to#
This topic describes how to modify or rename a DML trigger in SQL Server by using SQL Server Management Studio or Transact-SQL. Applies to: SQL Server (all supported versions) Azure SQL Database
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