Preventing changes to orders
Fresh Fruit Delivery needs to prevent changes from being made to the Orders table.
Any attempt to do so should not be permitted and an error should be shown instead.
この演習はコースの一部です
Building and Optimizing Triggers in SQL Server
演習の手順
- Create a new trigger on the
Orderstable. - Set the trigger to prevent updates and return an error message instead.
実践的なインタラクティブ演習
このサンプルコードを完成させて、この演習に挑戦してみましょう。
-- Create the trigger
___ ___ PreventOrdersUpdate
ON ___
___ ___ UPDATE
AS
RAISERROR ('Updates on "Orders" table are not permitted.
Place a new order to add new products.', 16, 1);