Day 81 – Triggers
These are database objects that are automatically executed in response to specific events, such as an update or insert operation on a table. Triggers can be used to enforce data integrity constraints, audit data changes, or send notifications when certain events occur.
CREATE TRIGGER trUpdateCustomer ON Customers AFTER UPDATE AS BEGIN -- Perform some action after a customer record is updated END
In this example, a trigger named
trUpdateCustomer is created to execute some action after a record in the
Customers table is updated. The specific action would be defined within the