Computer Science for IGCSE & O level - Databases (Section 3 - No. 44)
What is the purpose of a 'trigger' in a database?
To display data in a user-friendly format.
To automatically execute a set of actions in response to an event.
To create new tables.
To manage user accounts and permissions.
Giải thích
A trigger is automatically invoked in response to a specific database event.