Computer Science for IGCSE & O level - Databases (Section 4 - No. 38)
What is the purpose of a database trigger?
To create new tables in the database.
To automatically execute a set of actions in response to a specific event on a table.
To provide user access control.
To sort data in the database.
解释
Database triggers automatically execute code in response to events, like insertions or updates, on specific tables.