Preventing table deletion
Fresh Fruit Delivery wants to prevent its regular employees from deleting tables from the database.
Latihan ini adalah bagian dari kursus
Building and Optimizing Triggers in SQL Server
Petunjuk latihan
- Create a new trigger,
PreventTableDeletion, to prevent table deletion. - The trigger should roll back the firing statement, so the deletion does not happen.
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
-- Add a trigger to disable the removal of tables
CREATE TRIGGER ___
ON DATABASE
FOR ___
AS
RAISERROR ('You are not allowed to remove tables from this database.', 16, 1);
-- Revert the statement that removes the table
___;