SQL Server - Rolling Back the DDL Statement in a Trigger in SQL Server

Rolling Back the DDL Statement in a Trigger in SQL Server

Q

Can You Roll Back the DDL Statement in a Trigger in SQL Server?

✍: FYIcenter.com

A

Can you roll back the DDL statement in a trigger? The answer is yes. Since the DDL statement that fires the trigger and the statements defined inside the trigger are all executed as a single statement batch, you can add a ROLLBACK statement in the trigger to rollback the entire batch.

USE FyiCenterData;
GO

CREATE TRIGGER drop_rollback ON DATABASE
AFTER DROP_TABLE
AS
  PRINT 'Drop table is not allowed!';
  ROLLBACK;
GO

DROP TABLE fyi_users;
GO
Drop table is not allowed!
Msg 3609, Level 16, State 2, Line 2
The transaction ended in the trigger. The batch has been aborted.

This trigger is powerful. It will stop you from dropping any tables in FyiCenterData database.

⇒Creating and Managing Triggers in SQL Server

⇒⇒SQL Server Database Tutorials

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